Operating Temperature. 32 to 122 F (0 to 50 C)

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2 Rotary Dampers GENERAL INFORMATION ACE Controls Inc. offers a world class range of compact rotary dampers that enable products to function with a smooth mechanical motion, resulting in that touch of quality. Incorporation of ACE s reliable dampers can protect delicate electronics and extend the life of your product by helping to prevent lid and access panel closure damage. In addition, superior noise suppression is obtained as a direct result of the smooth flowing motion provided by ACE s dependable rotary dampers. In today s liability conscious world it pays to incorporate elements into your product design that reduce your chances of liability litigation. ACE s rotary dampers can help make your product safer for today s discerning, safety conscious consumer. Rotary motion control models are available with damping in both directions of rotation. Alternatively, certain model sizes are available with the option of uni-directional damping, i.e. damping action only in a clockwise or counterclockwise rotation and free travel in the opposite rotation. This is achieved by means of an internal one way clutch on the output shaft. If your application calls for locking in both directions of motion, the versatile ACE Controls bi-directional locking series of rotary dampers can be added to enhance the functionality of your new product design. General Models may vary. See individual specifications or consult factory. Maximum Cycle Rates Nominal Torque Rating Operating Temperature Storage Temperature Cycles per minute Measured at 0 rpm & 73 F 3 to 1 F (0 to 0 C) -4 to 140 F (-0 to 0 C) Conversions Physical Quantity Divide By To Obtain Torque gf cm 7 in oz Torque gf cm 11 in lb Torque kgf cm 1.1 in lb Length mm.4 in Length cm.4 in Angular Velocity deg/s rpm Angular Velocity deg/s 7.30 rad/s Angular Velocity rpm 9. rad/s Temperature TF = 3 + (9/) TC TC = (/9) (TF - 3) Where: TF = Temperature Fahrenheit TC = Temperature Celsius Mountings To Avoid Rotary dampers are designed for controlling rotary and linear motion. Shown below are examples of mountings that should be avoided.

3 GENERAL INFORMATION Applications 3 Indicates rotary damper locations

4 Structure & Principles GENERAL INFORMATION Rotary Damper-Basic Structure Cap Silicone oil Rotor Main body Basic Principles Rotary dampers utilize the principle of fluid resistance to dampen movement. Oil viscosity is utilizied to provide the braking force of the damper. The torque is determined by the viscosity of the oil; the gap between the rotor and the body and the surface area of the parts. Temperature Characteristics 4 Temperature Characteristics The torque of the rotary damper varies according to the temperature. The higher the temperature, the lower the torque. The lower the temperature, the higher the torque. torque Speed Characteristics The torque of the rotary damper varies according to cycle rate. In general, if the cyle rate goes up, the torque increases. If the cycle rate goes down, the torque decreases. Speed Characteristics ambient temperature Vane Damper-Basic Structure torque rotation speed Main Body Basic Principles Silicone oil Vane Oil viscosity is utilizied to provide the braking force of the damper. The torque is determined by the viscosity of the oil, the gap between the moving parts and the surface area of the parts. When the shaft rotates, the oil in the damper moves into the opposite chamber. The torque is determined by the oil pressure on the vane.

5 GENERAL INFORMATION Selection Procedure Selection Procedure C, D, E, F, & G Series 1). Determine the torque about the pivot point for your application. Also, determine a desired angular velocity for the pivoting object. (See example below.) ). From the catalog pages in the section, choose a rotary damper that provides the closest torque to what was calculated in step 1. 3). On the catalog page of the model selected, look at the torque vs rpm graph to determine the rotation speed using the selected damper. 4). If the speed is too fast for your requirement, select the next higher torque damper. If the speed is too slow, select the next lower torque damper. ). Develop a part number from the table on the catalog page of the damper selected. ). If a satisfactory model cannot be found, contact ACE applications engineering at to discuss a custom model for your application. Torque Calculation Example L = Length from pivot to the end of the lid θ = Angle between the lid and horizontal W = Free weight of the lid To calculate the torque about the pivot point for the lid pictured above use the following formula: T = (L/) x (W) x (Cos θ) Where: T = Torque L/ = 1/ the length of the lid from the pivot to the end (center of gravity) W = Free weight of the lid (actual weight of lid) θ = Angle between the lid and horizontal Note: as the lid closes, θ decreases and the torque increases.

6 E Series Bi-Directional Damper..1 Applications include: computer disk drives, CD players and instrumentation equipment. Gear Type Tooth profile Module 0. Pressure angle Number of teeth Pitch circle diameter.0 in oz (gf cm) Specification - mm Standard spur gear Involute (full) 0 degrees Relationship Between Torque and Temperature 0 rpm 14 +/ / ºC ºF Relationship Between Torque and rpm s 73 º F (3 º C) in oz (gf cm) (.) rpm RT E 0 G1 Control Type Series Directions Torque Code Gear RT = Two Way E Blank = Two Way in oz / (gf cm) G1 = With Gear 0 = 0.14 () 00 = 0.8 (0) 300 = 0.4 (30) 400 = 0. (40) Blank = Without Gear

7 Bi-Directional Damper G Series..1 Applications include: audio cassette door on a tape deck and automobile ashtrays. Gear Type Tooth profile Module 0. Pressure angle Number of teeth 14 Pitch circle diameter 7.0 in oz (gf cm) Specification - mm Standard spur gear Involute (full) 0 degrees Relationship Between Torque and Temperature 0 rpm / / º C º F in oz (gf cm) Relationship Between Torque and rpm s 73 º F (3 º C) (.4) rpm RT G 00 G1 Control Type Series Directions Torque Code Gear RT = Two Way G Blank = Two Way in oz / (gf cm) G1 = With Gear 00 = 0.8 (0) 300 = 0.4 (30) 40 = 0.3 (4) 00 = 0.83 (0) 1 = 1.39 (0) Blank = Without Gear

8 L1 Series Bi-Directional Damper Max. rotation speed: Max. cycle rate: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil type: 0 rpm cycles/min 0 to 0 C 14.1 g PC (polycarbonate) POM Silicone Standard torque is decided at 0 rpm and 3 C ± C Within limits different torques can be obtained by using a different viscosity oil. 4. Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the diagram below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature ±0.3 torque Nm 40 Temperature characteristics at 0 rpm º C ± Speed Characteristics Rotary damper torque varies according to the rotation speed. Refer to the diagram below. The starting torque is different than the standard torque. torque Nm 40 Speed characteristics at 3 º C rpm RT L1 0 Control Type Series Directions RT = Two Way L1 Blank = Two Way Torque Code in oz / (gf cm) 0 = 7.77 (000 ± 400) 30 = 41. (3000 ± 00)

9 Bi-Directional Damper DT-47A & 7A Series Max. rotation speed: Max. cycle rate: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil type: 0 rpm 1 cycles/min - to 0 C 47A: 49g, 7A: 7g Steel (SCP440) NYLON (with glass) Silicone Standard torque is decided at 0 rpm and 3 C ± C R4. ø4. DT-47A ± Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart to the right which shows the torque change under different temperatures. This occurs becuase the oil viscosity varies according to the temperature. torque Nm 8 4 Temperature characteristics at 0 rpm DT-7 DT º C 9 R. DT-7A ± Speed Characteristics Rotary damper torque varies according to the rotation speed. Refer to the diagram to the right. torque Nm 8 4 Speed characteristics at 3 º C DT DT-47 ø. This damper is a two way torque damper. There is no support for the shaft in the damper structure. Support for the shaft must be provided. Please use the recommended shaft dimensions. When mounting the shaft, ensure as tight a fit as possible. Refer to the dimensions in the diagrams at the right. DT 47A rpm 8 0 ø DT-47A 0 ø DT-7A Control Type Series Directions DT = Two Way 47A 7A Blank = Two Way DT-47A-03 DT-7A-03 Torque Code Nm (kgf cm) 03 = ± 0.3 (0 ± 3) 03 = 4.7 ± 0. (47 ± )

10 DT-3A/B & 70A/B Series Bi-Directional Damper Max. rotation speed: Max. cycle rate: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil type: 0 rpm 1 cycles/min - to 0 C 3A: 9, 70A: 11g Steel (SCP440) Nylon (with glass) Silicone Standard torque is decided at 0 rpm and 3 C ± C R. - ø R0. DT-3A Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart at the right which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature. Temperature characteristics at 0 rpm torque Nm 8 DT-70 DT º C - R. - ø DT-70A ± ± Speed Characteristics Rotary damper torque varies according to the rotation speed. Refer to the chart at the right. torque Nm 8 4 Speed characteristics at 3 º C DT-70 DT R rpm This damper is a two way torque damper. There is no support for the shaft in the damper structure. Support for the shaft must be provided. Please use the recommended shaft dimensions. When mounting the shaft, ensure as tight a fit as possible. Refer to the dimensions in the drawings to the right. ø ø DT 3B Ø DT 70B DT 3A/B 703 Control Type Series Directions DT = Two Way 3A/B 70A/B Blank = Two Way DT- 3A/B-703 DT- 70A/B-903 Torque Code Nm (kgf cm) 703 =.7 ± 0.7 (7 ± 7.0) 903 = 8.7 ± 0.8 (87 ± 8.0)

11 Bi-Directional Locking Damper A1 and B1 Locking Series Applications include: briefcases, display lids, furniture doors, or any small panel that would benefit from being locked against rotation. Operation of A1/B1 Bi-Directional Locking Series In Figure 1 free movement is available in the counterclockwise direction and the unit is locked against movement in the clockwise direction. In Figure a load exceeding the rated torque of the locking mechanism is applied in the clockwise direction and the lock function is cancelled. In Figure 3 free movement is now available in the clockwise direction but is locked against movement in the counterclockwise direction. In Figure 4 a load exceeding the rated torque of the locking mechanism is applied in the counterclockwise direction and the lock function is cancelled. The damper has returned to its original state in Figure Selection Procedure A1/B1 Series 1. Determine the torque about the pivot point for your application.. In the section, select a model which has a higher torque rating than what was calculated in step 1, above. 3. The difference between the torque determined in step 1 and the torque rating of the model selected in step is the external load that must be applied to cancel the locking function. If this difference is too small, select a model with a higher torque rating. If this difference is too large, select a model with a lower torque rating. 4. Develop a part number from the table on the specification page.. If a satisfactory model cannot be found contact ACE applications engineering at to discuss a custom model for your application. RL A1 03 RL B1 0 Control Type RL = Bi-Directional Locking Series A1 Torque Code in oz / (gf cm) 0 = 1.74 (.0) Control Type RL = Bi-Directional Locking Series B1 Torque Code in oz / (gf cm) 0 = 4.34 (.0)

12 HD-B1/B Series-Friction Rotary Damper Bi-Directional Damper (Fixed) Max. rotation speed: Max. cycle rate: Operating temperature: HD-B1/B-133: HD-B1/B-133-1: Body case material: Shaft collar material: Shaft material: 1 rpm cycles/min 0-0 C 0 g 40 g Aluminum die-casting Urethane rubber Steel (SCP440) The torque is determined at rpm and C ± C Body case (Aluminum die-casting ADC) Rotary shaft (Steel SUM) Bushing (Urethane rubber) 1 R HD-B1-133 HD-B-133 R. ø ø HD-B HD-B ø.. 14 R.. Damper Usage One half only can be used as a damper 1. This damper can be used in two directions.. Damper can be used even without shaft support. 3. Lubricants must not be used in or near the damper. 4. If damper is used in or near water or oil, the torque will be lost.. Damper cannot be used for more than one continuous 30º rotation.. Damper can be used as a free stop hinge. HD B1 133 Model Series Torque Code HD B1 Nm (kgfcm) B 133 = 1.3 ± 0.34 (13. ± 3.4)

13 Bi-Directional Damper (Fixed) HD-B1/B Series-Friction Rotary Damper Please use the following formula to determine the torque. M: Material L: Length θ: Degrees a: Max temperature rate N: Damper number (Torque) = M x 9.8 x 0. x L x cos θ 0. x α x N (Nm) Max temperature rate a Room temperature ( ± º C) 1 Max 40º C 0.7 Max 0º C 0.0 G L M pivot point 13 Temperature Characteristics Rotary damper torque varies according to ambient temperature. This occurs because the oil viscosity varies according to the temperature. Please refer to the chart below. Speed Characteristics Rotary damper torque varies according to the rotation speed. Refer to the chart below. temperature at 3ºC action angle at 90º rotation speed Nm 1 Nm ºC 0 1 rpm

14 C Series Bi/Uni-Directional Damper Applications include: VCR loading mechanisms, glove box doors and instrumentation equipment. Gear Type Tooth profile Module 0.8 Pressure angle Number of teeth 11 Pitch circle diameter 8.8 Specification - mm Standard spur gear Involute (full) 0 degrees in oz (gf cm) Relationship Between Torque and Temperature 0 rpm 1 3.+/ ºC ºF Relationship Between Torque and rpm s 73 º F (3 º C) 7..4 in oz (gf cm) rpm RN C R 01 G1 Control Type Series Directions Torque Code Gear RN = One Way C in oz / (gf cm) RT = Two Way R = Clockwise L = Counterclockwise Blank = Two Way 01 =.78 (00) 301 = 4.17 (300) G1 = With Gear Blank = Without Gear

15 Bi/Uni-Directional Damper D Series Applications include: window shades, sliding closet doors, printer covers and paper trays for copy machines. Gear Type Tooth profile Module 1.0 Pressure angle Number of teeth 1 Pitch circle diameter 1.0 Specification - mm Modified spur gear Involute (full) 0 degrees in oz (gf cm) Relationship Between Torque and Temperature 0 rpm / R ºC ºF Relationship Between Torque and rpm s 73 º F (3 º C) in oz (gf cm) rpm RN D R 01 G1 Control Type Series Directions Torque Code Gear RN = One Way D in oz / (gf cm) RT = Two Way R = Clockwise L = Counterclockwise Blank = Two Way 01 =.94 (00) = (00) 1 = 0.83 (100) G1 = With Gear Blank = Without Gear

16 F Series Bi/Uni-Directional Damper Applications include: copy machine lids, dining room table folding extensions and more. Max. rotation speed: Max. cycle rate: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil Type: Relationship Between Torque and Temperature 0 rpm in lb (kgf cm) 0 rpm cycles/min 0 to 0 C RT-F 11. g RN-F 93. g Polycarbonate + glass SUS (stainless steel) Silicone R ºC ºF Relationship Between Torque and rpm s 73 º F (3 º C) 40 +/ in lb (kgf cm) rpm RN F R 03 Control Type Series Directions RN = One Way RT = Two Way F R = Clockwise L = Counterclockwise Blank = Two Way Torque Code in lb/(kgf cm) 03 = 17.3 (0)

17 Bi/Uni-Directional Damper K Series 47 3 Max. Rotation Speed: 0 rpm Max. Cycle Rate: cycles/min Operating Temperature: 0 to 0 C Weight: RT-K 78.3g RN-K.g Body and cap material: Polycarbonate + glass Rotating shaft material: SUS (stainless steel) Oil Type: Silicone Standard torque is decided at 0 rpm and 3 C ± C Within limits different torques can be obtained by using a different viscosity oil. Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the diagram below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature.. R torque Nm 3 1 Temperature characteristics at 0 rpm º C 40 +/ Speed Characteristics Rotary damper torque varies according to the rotation speed. Refer to the diagram below. The starting torque is different than the standard torque torque Nm 0.3 Speed characteristics at 3 º C rpm RN K R 3 Control Type Series Directions RN = One Way RT = Two Way K R = Clockwise RN-K-R3 RN-K-R0 L = Counterclockwise RN-K-L3 RN-K-L0 Blank = Two Way RT-K-3 RT-K-0 Torque Code Nm, kgf cm, Ncm R3 = 0.98 ± 0. Nm L3 = ± kgfcm 3 = ± kgfcm 0 = 0 ± Ncm

18 FYT & FYN-H1() Series Bi/Uni-Directional Damper (Adjustable) º.º M Max. rotation angle: º Operating temperature: - to 0 C Weight: H1:40 ±, H:3 ± g Body and cap material: ZDC (zinc die-cast) Rotating shaft material: SC (carbon steel) Oil type: Silicone Torque is determined at 3º C ± ºC 1. The FYN-H1 action is designed for use in applications as shown in diagram A. The torque is highest when the cover is horizontal and lowest when the cover is vertical. If used in applications as shown in diagram B, the damper will not provide a statisfactory closing action. ± A damper with a higher torque can be made to special order. 18 A The torque is stronger, cover can slowly close B The torque is stronger, cover cannot close well Adjusting Screw ø8 0.1 M=kg L=0.4m. Please use the following formula to determine the torque. Example: M = kg L = 0.4 m T = x 0.4 x 9.8/ = 9.8 Nm FYN-H1 *4 can be used. ø Dimensional tolerances for shaft 3. When the damper is mounted using the shaft, ensure as tight a fit as possible. FYN H1 R 4 Control Type Series Directions FYN = One Way FYT = Two Way H1 H R = Clockwise FYN-H1() L = Counterclockwise FYN-H1() Blank = Two Way FYT=H1() Torque Code Nm (kgf cm) 4 = (00) Reverse Torque *4 = 0. () *FYN models only

19 Bi/Uni-Directional Damper (Adjustable) FYT & FYN-H1() Series Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature. rotation end-point torque applied in this direction º.º.º rotation starting point Damper action angle is ±.º from center. Exceeding the maximum action angle will result in damage to the damper. A stopper should be used. Please refer to the drawings to the right. FYN-H1 () temperature characteristics rotor action angle 30 FYN-H1-L FYN-H-L torque applied in this direction sec 0 º rotation starting point.º.º rotation end-point ºC ambient temperature rotor Torque Adjustment Method 1. FYT-H1(H) and FYN-H1(H) torque is adjustable by turning the adjustment screw.. To increase torque turn screw in clockwise direction(h). 3. To reduce torque turn screw in counterclockwise direction(l). 4. Do not rotate the adjustment screw more than 30º as the damper may be damaged.. After adjusting please fix the adjusment screw, otherwise the torque may change during operation. 30 (max) adjustment angle 180 FYN-H1-R FYN-H-R Torque Adjustable Range Torque and Adjustment Screw Relationship adjustment screw torque increase (clockwise) torque decrease (counterclockwise) loaded torque 1. measurement of hexagonal spanner Damper torque direction differs according to the model, please choose an appropriate direction for your application. lock screw

20 FYT & FYN-D1() Series Bi/Uni-Directional Damper (Fixed) Max. Rotation Angle: º Operating Temperature: - to 0 C Weight: D1:1 ±, D: ± g Body and cap material: ZDC (zinc die-cast) Rotating shaft material: SC (carbon steel) Oil Type: Silicone Torque is determined at 3º C ± ºC º.º M ± The FYN-D1 action is designed for use in applications as shown in diagram A. The torque is highest when the cover is horizontal and lowest when the cover is vertical. If used in applications as shown in diagram B, the damper will not provide a statisfactory closing action. A damper with a higher torque can be made to special order. 0 A The torque is stronger, cover can slowly close B The torque is stronger, cover can not close well Adjusting Screw ø8 0.1 ø M=kg L=0.4m Dimensional tolerances for shaft. Please use the following formula to determine the torque. Example: M = kg L = 0.4 m T = x 0.4 x 9.8/ = 9.8 Nm FYN-D1 *4 can be used. 3. When the damper is mounted using the shaft, ensure as tight a fit as possible. FYN D1 R 4 Control Type Series Directions FYN = One Way FYT = Two Way D1 D R = Clockwise FYN-D1() L = Counterclockwise FYN-D1() Blank = Two Way FYT=D1() Torque Code Nm (kgf cm) 4 = (00) Reverse Torque *4 = 0. () *FYN models only

21 Bi/Uni-Directional Damper (Fixed) FYT & FYN-D1() Series Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature. rotation end-point torque applied in this direction º.º.º rotation starting point Max damper action angle is º Do not exceed º or damage will result. Please use mechanical stop. Please refer to the drawings to the right. rotor action time FYT/N-D1 (D) temperature characteristics FYN-D1-L FYN-D-L torque applied in this direction (sec) 4.º º.º 1 rotation starting point rotation end-point rotor (ºC) ambient temperature FYN-D1-R FYN-D-R FYN-D1 torque is nonadjustable, however dampers with torque ranging from to 0 Nm can be supplied by using a different viscosity oil. Damper torque direction differs according to the model, please choose an appropriate direction for your application.

22 FYT/N-LA3 Series Bi/Uni-Directional Damper (Adjustable) Max. rotation angle: º Operating temperature: - to 0 C Weight: 1.7 kg Body and cap material: ZDC (zinc die-cast) Rotating shaft material: SC (carbon steel) Oil type: Silicone Torque is determined at 3º C ± ºC 8 9 ± rotor location mark 80 Adjusting Screw 3 0 P ø. + adjustment screw damper action angle is ± º from center mark Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature. (%) damping rate / temperature characteristics M=0kg L=0.4m. Use the following formula to determine the torque. Example: M = 0 kg L = 0.4 m T = 0 x 0.4 x 9.8/ = 39. Nm FYN-LA3 can be used damping number vary rate 0 + Damping number adjustment screw: + torque increases - torque decreases (ºC) ambient temperature torque adjustment screw FYN LA3 R Control Type Series Directions FYN = One Way FYT = Two Way LA3 R = Clockwise FYN-LA3R L = Counterclockwise FYN-LA3L Blank = Two Way FYT=LA3 Torque Code Nm (kgf cm) 40 (400) Damping Rate -0 Nm/rad/sec

23 Bi/Uni-Directional Damper (Adjustable) FYT/N-LA3 Series Important Damper Information Rotation 1. When the damper is mounted using the shaft, ensure as tight a fit as possible.. Damper action angle is ± º from center. 3. Damper torque direction differs according to the model Max damper action angle is ± º. Do not exceed ± º or damage will result. Use mechanical stop. 1,-0,0 70 9, Rotary Damper Damping Number Count Method 1. Steady movement in a straight line = FL²t d. Steady rotation = T w F = lever force (N) L = distance between center of damper axes to lever effect-point (m) d = lever removing distance (m) t = lever removing time T = torque is on shaft (Nm) w = angle speed (rad/sec) 3 3. Deceleration of mass moving in a straight line = MVL² d M = quality (kg) V = speed (m/s) L = distance between center of damper axes to lever effect-point (m) d = lever removing distance (m) 4. Critical damping of vibrating mass = MfL² 0.08 M = quality (kg) f = vibrancy frequency (Hz) L = distance between center of damper axes to lever effect-point (m) Controls linear movement F d 3 Controls rotational motion L T Impact absorption M V d M Vibration absorption

24 FYN-M1 Series Uni-Directional Damper Max. rotation angle: Max. cycle rate: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil type: 180 cycles/min 0 to 0 C 17 ± g PBT ZDC (zinc die-cast) Silicone Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature. FYN-M1 Series Temperature Characteristics action angle sec º complementary angle complementary angle º middle double rotor face action angle 180º ambient temperature 0 ºC 180º (R4) (R4) º complementary angle FYN-M1-L º complementary angle FYN-M1-R Standard torque is decided at 0 rpm and 3 C ± C Within limits different torques can be obtained by using a different viscosity oil. FYN M1 R 1 Control Type Series Directions Torque Code FYN = One Way M1 R = Clockwise L = Counterclockwise Nm (kgf cm) 1 = 0.1 (1.) = 0. (.) 3 = 0.3 (3.) 0 = 0.0 (.0)

25 8 Uni-Directional Damper FYN-K1 Series Max. rotation angle: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil type: 8 - to 0 C 33 ± 3 g PBT PPS Silicone R R Use the following formula to determine the torque. Example: M = kg L=0.4m L = 0.4 m M=kg T = x 0.4 x 9.8/ = 3.9 Nm Select damper: FYN-K1-403 Torque is determined at 3 C ± C FYN-K1 torque is nonadjustable. However, dampers with torque ranging from to 4 Nm can be supplied by using a different viscosity oil. Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature. FYN-K1 Temperature Characteristics 13 action time T (sec) Clockwise damping 4 End Position Counterclockwise damping ºC ambient temperature FYN K1 R 403 Control Type Series Directions Torque Code FYN = One Way K1 R = Clockwise Nm (kgf cm) L = Counterclockwise 403 = 4 (40)

26 FYN-N1 Series Uni-Directional Damper Max. rotation angle: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil type: 1 - to 0 C 1 ± 1 g PBT PPS Silicone White end cap: counterclockwise damping Black end cap: clockwise damping As shown in the diagram below, the maximum action angle is 1º. Do not exceed 1º or damage will result. Standard torque is decided at 0 rpm and 3 C ± C Within limits different torques can be obtained by using a different viscosity oil. Use the following formula to determine the torque. Example: M = 1. kg L=0.4m L = 0.4 m T = 1. x 0.4 x 9.8/ M=1.kg =.9 Nm Select damper: FYN-N1-303 Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature Rotation 1 The rotating starting point is pre-set at the factory. Torque applied in this direction 1º 90º Rotation Starting Point action time T (sec) FYN-N1 Temperature Characteristics CCW rotation end-point FYN-N1-L rotor ambient temperature 0 ºC FYN N1 R 3 Control Type Series Directions Torque Code FYN = One Way N1 R = Clockwise L = Counterclockwise Nm (kgf cm) 3 = 1 () 03 = (0) 303 = 3 (30)

27 Uni-Directional Damper FYN-P1 Series Max. rotation angle: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil type: 11 - to 0 C. ± 1 g PBT PBT Silicone Torque is determined at 3 C ± C Use the following formula to determine the torque Rotation 0 1 Example: M = 1 kg L = 0.3 m T = 1 x 0.3 x 9.8/ = 1.47 Nm Select damper: FYN-P1-13 M=1kg L=0.3m Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature. 7 FYN-P1 Temperature Characteristics action time T (sec) ambient temperature 0 ºC FYN P1 R 3 Control Type Series Directions Torque Code FYN = One Way P1 R = Clockwise L = Counterclockwise Nm (kgf cm) 3 = 1 () 13 = 1. (1) 183 = 1.8 (18)

28 DN-47A & 3A Series Uni-Directional Damper Max. rotation speed: Max. cycle rate: Operating temperature: Weight max: Body and cap material: Rotating shaft material: Oil type: 0 rpm 1 cycles/min - to 0 C 10 g Steel (SCP440) Nylon (with glass) Silicone.3 ±.03 Standard torque is decided at 0 rpm and 3 C ± C Within limits different torques can be obtained by using a different viscosity oil. 8 -R. -R4. -R4. -ø. ø DN-47A-R/L ± Temperature Characteristics Rotary damper torque varies according to the ambient temperature. This occurs because the oil viscosity varies according to the temperature. Speed Characteristics Rotary damper torque varies according to the rotation speed. This is a one way damper which features a special axle insert which can be easily reversed by the user to provide damping in the opposite direction. There is no support for the shaft in the damper structure. Support for the shaft must be provided. ø DN-3A-R/L903 DN 47A R Control Type Series Directions DN = One Way 47A 3A R = Clockwise DN-47A-R03 DN-3A-R903 L = Counterclockwise DN-47A-L03 DN-3A-L03 Torque Code Nm (kgf cm) ± 0.3 (0 ± 3) 8. ± 0.8 (8 ± 8)

29 Uni-Directional Damper DN-7A & 70A Series Max. rotation speed: Max. cycle rate: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil type: 0 rpm 1 cycles/min - to 0 C 7A: 94g, 70A:10g Steel (SCP440) Nylon (with glass) Silicone R. ø. 14 ± Standard torque is decided at 0 rpm and 3 C ± C Within limits different torques can be obtained by using a different viscosity oil. Temperature Characteristics Rotary damper torque varies according to the ambient temperature. This occurs because the oil viscosity varies according to the temperature Speed Characteristics Rotary damper torque varies according to the rotation speed. This is a one way damper which features a special axle insert which can be easily reversed by the user to provide damping in the opposite direction. 9 R. ø. DN-7A-R/L There is no support for the shaft in the damper structure. Support for the shaft must be provided DN-70A-R/L114 DN 7A R 3 Control Type Series Directions DN = One Way 7A 70A R = Clockwise DN-7A-R3 DN-70A-R114 L = Counterclockwise DN-7A-L3 DN-70A-L114 Torque Code Nm (kgf cm) 3 =. ± 0. ( ± ) 114 = 11 ± 1.1 (1 ± 11)

30 FYN-S1 Series Uni-Directional Damper Max. rotation angle: Operating temperature: Weight: Body and cap material: Rotating shaft material: Oil type: to 0 C 0 ± g ZDC (zinc die-cast) POM Silicone 0. ± 0. Torque is determined at 3 C ± C FYN-S1 Series dampers are self-compensating and can maintain the same action time as the load changes. 1. ø. 30º R. 70 ± ± 1 Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart below which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature action time T (sec) FYN-S1 Temperature Characteristics 1 3. The maximum action angle of the damper is 130 as shown below. Do not exceed 130. A mechanical stop is recommended. 4 torque applied in this direction (L) º torque applied in this direction (R) ambient temperature 0 ºC 130º 130º max. rotation angle max. rotation angle FYN-S1-L º FYN-S1-R FYN S1 R 4 Control Type Series Directions Torque Code FYN = One Way S1 R = Clockwise Nm (kgf cm) L = Counterclockwise 4 = (0)

31 Uni-Directional Damper FYN-D3 Series ø4. ± Max. rotation speed: 8º Operating temperature: - to 0 C Weight: 1 ± 1 g Body and cap material: ZDC (zinc die-cast) Shaft material: SC (carbon steel) Oil type: Silicone Torque is determined at 3 C ± C MX0.8 8 ø º ø8 ø ø1 0 ø M R1. 31 The FYN-H1 action is designed for use in applications as shown in diagram A. The torque is highest when the cover is horizontal and lowest when the cover is vertical. If used in applications as shown in diagram B, the damper will not provide a satisfactory closing action. A damper with a higher torque can be made to special order. A The torque is stronger, cover can slowly close B The torque is stronger, cover cannot close well M=kg ø L=0.4m Dimensional tolerances for shaft Use the following formula to determine the torque. Example: M = kg L = 0.4 m T = x 0.4 x 9.8/ = 9.8 Nm FYN-D3-4 can be used. When the damper is mounted using the shaft, ensure as tight a fit as possible. FYN D3 R 4 Control Type Series Directions FYN = One Way D3 R = Clockwise FYN-D3-R4 FYN-D3-R03 FYN-D3-R703 L = Counterclockwise FYN-D3-L4 FYN-D3-L03 FYN-D3-L703 Torque Code Nm (kgf cm) 4 = (0) 03 = (0) 703 = 7 (70) Reverse Torque 4 = (0) 03 = 1 () 703 = 1 ()

32 FYN-D3 Series Uni-Directional Damper Temperature Characteristics Rotary damper torque varies according to the ambient temperature. Refer to the chart to the right which shows the torque change under different temperatures. This occurs because the oil viscosity varies according to the temperature. action time 1 FYN-D3 temperature characteristics (sec) Max damper action angle is 180º Do not exceed 180º or damage will result Please use mechanical stop Please refer to the following diagram (ºC) ambient temperature rotation starting point rotation starting point torque applied in this direction rotor rotor torque applied in this direction 180º 180º rotation end point rotation end point FYN-D3-L FYN-D3-R. FYN-D3 torque is non-adjustable, however dampers with torque ranging from to Nm can be supplied by using a different viscosity oil. 7. Damper torque direction differs according to the model, please choose an appropiate direction for your application.

33 Uni-Directional Damper (Fixed) HD-A1 Series Max. rotation speed: 10º Operating temperature: - to 0 C Weight: 4 g Body material: ZDC (zinc die-cast) + painting Hinge material: SUS304 (stainless steel) Max. Action time: 4 ±. sec. (Torque: loaded torque 9.8 Nm, Fall angle 0º to 0º) HD-A1-1-*** 10º ø HD-A1--*** 10º Temperature Characteristics Rotary damper torque varies according to the ambient temperature. This occurs because the oil viscosity varies according to the temperature. This damper is available in mounting styles: HD-A1-1-XXX (Fixing outside) HD-A1--XXX (Fixing inside) 10º largest opening angle 10º torque direction largest opening angle 90º torque direction cover damper cover stopper damper stopper HD-A1 1 4 Model HD-A1 Mounting Styles 1 Torque Code Nm (kgf cm) 4 = (0) 03 = (0) Reverse Torque 4 = under 1 () 03 = under 0. ()

34 RX-A1 Series Uni-Directional Damper Material: Nylon Operating temperature: 0 C to 0 C Weight: 0.01 kg Max rotation angle: 10º Do not use damper as final end stop. Fit external mechanical stops Ø 1 Ø 34 3 Ø º rotation Shaft GFK (GRP) RX A1 R 03 Control Type Series Directions Torque Code RX = One Way A1 R = Clockwise L = Counterclockwise Nm (kgf cm) 03 = ± 0. (0 ± )

35 Spring Hinged Damper (Fixed) DSH-B1 Series Spring torque: Action angle: Operating temp: Weight: 8.8º ± 1.7cNm (θ = 0º damper closed spring torque).39 ± 1.08cNm (θ = 7º damper open spring torque) 7 ± º (action angle of hinge) ± º (action angle of damper) 0 to 0 C 1 ± 0. kg Applications include: photocopy and test machine covers 4 ø ±0.3 7º 7º θ ±0. 7. θ1 θ ± ø. DSH B ± DSH-B1 action illustration. This is a combined spring/ damper hinge. (The damper is hidden inside the spring) θ 3 : Spring engaged-automatically returns to 90º position. θ : Spring engaged-free stop action-stops in desired position from 7º to º θ 1 : Damper engaged-automatic controlled closing from º to 0 Model Series Torque Code Nm (kgf cm) 134 = 13 (130) max ACE Controls is focused daily on continuous improvement. We therefore reserve the right to change models, dimensions or specifications without notice or obligation.

36 Additional ACE Controls Products Industrial & Safety Shock Absorbers Velocity Controllers ACE ACE Gas Springs & Hydraulic Dampers TUBUS Bumpers Locked Series ACE Controls Inc Industrial Park Drive Farmington Hills, MI 4833 Toll Free: Phone: Fax: