Pads for Heavy Duty Material Handling Series T/ Ideal for heavy weight material or objects with a large surface area Examples: CRT, Car body Pad diameters Pad materials Variations Style Series T Vertical vacuum entry ø4, ø5,, ø8, ø, ø25 NBR, Silicon, Urethane, Fluorine, Without buffer Mounting entry Male thread Female thread Female thread Common (Use vacuum entry) With buffer Mounting entry Buffer mounting (Male thread) Female thread Page 3.9-74 to 3.9-78 Z ZR ZM ZY ZH ZU ZL ZF ZCU CYV related Series Buffer Female Female Female 3.9-79 thread thread thread Lateral vacuum entry mounting (Male thread) to 3.9-82 Series T Pad dia. Buffer ø4 stroke ø5 ø8 ø ø25 25 5 75 Pad material and Characteristics Item Material NBR Silicon Urethane Fluorine Durometer HS (±5 ) 5 5 6 6 5 Temperature range ( C) to 2 3 to 2 to 6 to 25 2 to 5 Oil resistance Oil resistance (Gasoline) (Benzol) Alkali resistance : Little or no influence : Can be used depending on conditions : Not suitable Acid resistance Weatherability Ozone resistance The above table covers only general characteristics of subject materials. Pad materials used by SMC pass nominal JIS material standards; however, actual performance depends on operating conditions. Abrasion resistance Water resistance Solvents benzene toluene 3.9-7
Series T/ Selecting The Pad A vacuum pad diameter (ød) can be determined by calculation if the lifting force needed to perform the work function is known. The weight of the workpiece and any potential dynamic forces involved during movement (lifting, stopping, rotating, etc.) need to be considered. The area of one pad can be divided to an equivalent area of multiple pads (n) as necessary, based on these forces and the shape of the load. Calculations Calculation Method: Pad Diameter A vacuum pad diameter with applied safety factor based on lifting orientation of workpiece (vertical or horizontal) can be derived from calculations or by using the Selection Graph shown below. ød = 4 3.4 P W n t ød: n : Number of pads used W : Lifting force (N) P : Stable vacuum pressure (kpa) t : Factor of safety: Horizontal pad contact: 4 (dynamic) Vertical pad contact: 8 (dynamic) Pad W Horizontal contact W Vertical contact Basically avoid this use. ( ) Graphical Method The pad diameter required for horizontal (selection graphs q and w) or vertical contact can be found by setting the weight of the work the number of pads to contact the workpiece and the stable adsorption vacuum pressure. Selection Graphq Selection graph of pad diameter by lift force horizontal (Reference value) 25 8 63 5 4 4kPa 45kPa 5kPa 55kPa 6kPa 65kPa 7kPa 75kPa 8kPa 85kPa 3 5 7 2 3 Lifting force (N) Selection Graphw Selection graph of pad diameter by lift force vertical (Reference value) 25 8 63 5 4 4kPa 45kPa 5kPa 55kPa 6kPa 65kPa 7kPa 75kPa 8kPa 85kPa 5 7 3 5 7 2 Lifting force (N) How to Read the Graph Example: Work load 2kg (Lifting force: 96N) Conditions: Desired number of pads 5 pcs. Working vacuum pressure 6kPa Horizontal lifting Selection procedure From left condition Lifting force per pad: 96N _. 5 pcs. = 39.2N From Selection Graph q as horizontal lifting Lifting force 39.2N Extend to the y-axis from the corresponding point of vacuum pressure 6kPa; result is to select a pad diameter bigger than 63mm. 3.9-72
Series T/ Application Data Theoretical lifting force for pad can be derived from calculations or taken directly from theoretical lifting force table. Calculations Theoretical Lifting Force W = P S. t Theoretical Lifting Force Table W: Lifting force (N) P : Stable vacuum pressure (kpa) S : Pad area (cm 2 ) t : Factor of safety: Horizontal pad contact: 4 (dynamic) Vertical pad contact: 8 (dynamic) Determine theoretical lifting force (excluding safety factor) from pad diameter size and working vacuum pressure. Divide the result by the appropriate safety factor to determine applicable lifting force. Table of Theoretical Lifting Force ø4 Adsorption area cm 2 2.6 pressure kpa 85 8 75 7 65 6 55 5 45 4 7 94.5 88.2 8.9 75.6 69.3 63. 56.7 5.4 67 57 47 37 27 8 8 98. 88.2 78.4 264.9 249.3 233.7 28. 22.5 87 7.4 55.8 4.2 24.6 Pad (Theoretical lifting force = P S.) ø5 9.6 3.2 ø8 5.3 427 4.9 376.8 35.7 326.6 3.4 276.3 25.2 226. 2 W Horizontal contact Lifting force = Theoretical lifting force t ø 78.5 667.3 628 588.8 549.5 5.3 47 43.8 392.5 353.3 34 Vertical contact ø25 22.7 42.6 98.3 92 858.6 797.3 736 674.6 63.3 552 49.7 W Basically avoid ( this use. ) N Z ZR ZM ZY ZH ZU ZL ZF ZCU CYV related Precautions for Use qthe quantity and placement of pads should be considered when transferred work has a large surface area. Pad w response time and vacuum breaking time are influenced by internal volume of large bellows size pad, which has more volume than the large flat ribbed type pad. When response time is important, consider the following measures: Use a larger capacity ejector. Set a vacuum breaking valve. Support bracket Install support brackets to prevent work from dropping according to your requirements. 3.9-73
Series T Vertical Entry without Buffer Standard Specifications Connection Vaccum entry direction Mounting ø4, ø5 Thread diameter, ø8 ø, ø25 Vaccum entry port Male thread M4 M6.5 M6.5 Rc(PT) 8 Vertical Famale thread M8/M M8/M/M2/M6.5 M2/M6.5 Use the mounting port Pad Style Material (colour) Durometer ø4, ø5,, ø8, ø, ø25 NBR (Black),Silicon (White), Urethane (Brown), Fluorine (Black with mark F), (Black with mark E) NBR/Silicon / (5 ), Urethane /Fluorine (6 ) Weight Table (Other materials) Pad diamater ø4 ø5 ø8 ø ø25 Silicon 2 3 5 8 Urethane 3 Fluroine 5 8 6 27 53 84 (g) Add NBR weight to the table above for other materials. Weight Table (NBR) Weight (g) Weight (g) T4HN-A4 T4HN-B8 T4HN-B T5HN-A4 T5HN-B8 T5HN-B T63HN-A6 T63HN-B8 T63HN-B T63HN-B2 T63HN-B6 7 38 37 83 5 49 49 5 4 2 T8HN-A6 T8HN-B8 T8HN-B T8HN-B2 T8HN-B6 THN-A6 THN-B2 THN-B6 T25HN-A6 T25HN-B2 T25HN-B6 78 44 43 4 39 35 3 299 44 365 363 How to Order T 4 H N A4 4 5 63 8 25 ø4 ø5 ø8 ø ø25 Vaccum entry/mounting thread diameter ø4/ø5 /ø8 ø/ø25 A4 A6 M4 M6.5 B8 M8 B M B2 B6 M2 M6.5 H Pad style Heavy duty pad Material N NBR S Silicon U Urethane F Fluorine E 3.9-74
Vertical Entry without Buffer Series T T 4 H -A4 (Male thread) 5 T 4 H -B (Female thread) 5 Z ZR ZM ZY ZH ZU øa øb T4H -A4 4 42 T5H -A4 5 52 øa øb C T4H -B8 4 42 M8 T4H -B 4 42 M T5H -B8 5 52 M8 T5H -B 5 52 M T 63 8H -A6 (Male thread) T 63 8H -B (Female thread) ZL ZF ZCU CYV related øa øb C D E Y T63H -A6 63 65 4.5 26 56 3.5 T8H -A6 8 82 6.5 28 58 4.5 øa øb C D E Y T63H -B8 63 65 4.5 26 M8 3.5 T63H -B 63 65 4.5 26 M 3.5 T63H -B2 63 65 4.5 26 M2 3.5 T63H -B6 63 65 4.5 26 M6.5 3.5 T8H -B8 8 82 6.5 28 M8 4.5 T8H -B 8 82 6.5 28 M 4.5 T8H -B2 8 82 6.5 28 M2 4.5 T8H -B6 8 82 6.5 28 M6.5 4.5 3.9-75
Series T T 25H -A6 (Male thread) T 25H -B (Female thread) øa øb TH -A6 3 T25H -A6 25 28 øa øb C TH -B2 3 M2 TH -B6 3 M6.5 T25H -B2 25 28 M2 T25H -B6 25 28 M6.5 3.9-76
Series T Vertical Entry with Buffer Weight Table (Other materials) Pad diameter ø4 ø5 ø8 ø ø25 Silicon 2 3 5 8 Urethane 3 Fluorine 5 8 6 27 53 84 (g) Add NBR weight to the table above for other materials. Standard Specifications Connection entry direction Mounting ø4, ø5 Thread, ø8 diameter ø, ø25 entry port Pad Style Material (colour) Durometer Weight Table (NBR) T4HNJ25-B-A8 T4HNJ5-B-A8 T4HNJ75-B-A8 T5HNJ25-B-A8 T5HNJ5-B-A8 T5HNJ75-B-A8 T63HNJ25-B-A8 T63HNJ5-B-A8 T63HNJ75-B-A8 T8HNJ25-B-A8 Vertical Male thread M8.5 M8.5 M22.5 Rc (PT) /8 Buffer style ø4 to ø8 Buffer stroke ø, ø25 Rotating (J) 25, 5, 75 (mm) 25, 5, 75, (mm) ø4, ø5,, ø8, ø, ø25 NBR (Black), Silicon (White), Urethane (Brown), Fluorine (Black with mark F), (Black with mark E) NBR/Silicon / (5 ), Urethane /Fluorine (6 ) Weight (g) 25 45 66 37 57 95 22 222 243 24 T8HNJ5-B-A8 T8HNJ75-B-A8 THNJ25-B-A22 THNJ5-B-A22 THNJ75-B-A22 THNJ-B-A22 T25HNJ25-B-A22 T25HNJ5-B-A22 T25HNJ75-B-A22 T25HNJ-B-A22 Weight (g) 25 272 489 529 574 63 553 593 638 677 Z ZR ZM ZY ZH ZU ZL ZF ZCU CYV related How to Order T 4 H N J 25 B A8 Pad diameter 4 5 ø4 ø5 63 8 ø8 ø 25 ø25 entry A8 A22 B Rc(PT) /8 Mounting thread diameter M8.5 (ø4 to ø8) M22.5 (ø, ø25) H N S U F E Pad style Heavy duty pad Material NBR Silicon Urethane Fluorine Buffer stroke (Without detent) Stroke ø4 ø5 ø8 25 5 75 ø ø25 Spring reactive force Pad diameter stroke Stroke end ø4 to ø8 6.9N.8N ø, ø25 N 5N 3.9-77
Series T T 4 H J -B-A8 (with buffer) 5 T 63 H J -B-A8 (with buffer) 8 øa øb C D T4H J25-B-A8 4 42 63 8.5 T4H J5-B-A8 4 42 98 53.5 T4H J75-B-A8 4 42 34 89.5 T5H J25-B-A8 5 52 63 8.5 T5H J5-B-A8 5 52 98 53.5 T5H J75-B-A8 5 52 34 89.5 øa øb C D E F T63H J25-B-A8 63 65 4.5 26 66 2.5 T63H J5-B-A8 63 65 4.5 26 56.5 T63H J75-B-A8 63 65 4.5 26 37 92.5 T8H J25-B-A8 8 83 6.5 28 68 23.5 T8H J5-B-A8 8 83 6.5 28 3 58.5 T8H J75-B-A8 8 83 6.5 28 39 94.5 Y 3.5 3.5 3.5 4.5 4.5 4.5 T H J -B-A22 (with buffer) 25 TH J25-B-A22 TH J5-B-A22 TH J75-B-A22 TH J-B-A22 T25H J25-B-A22 T25H J5-B-A22 T25H J75-B-A22 T25H J-B-A22 øa øb C D 3 78 52 3 4 88 3 54 228 3 89 263 25 28 78 52 25 28 4 88 25 28 54 228 25 28 89 263 3.9-78
Series Lateral Entry without Buffer Weight Table (Other materials) Pad diameter ø4 ø5 ø8 ø ø25 Silicon 2 3 5 8 Urethane 3 Fluorine 5 8 6 27 53 84 Add NBR weight to the table above for other materials. (g) Standard Specifications Mounting entry direction Connection ø4, ø5 Thread diameter, ø8 ø, ø25 entry port Pad Style Material (colour) Durometer Weight Table (NBR) 4H -B-B8 4H -B-B 5H -B-B8 5H -B-B 63H -B-B 63H -B-B2 8H -B-B 8H -B-B2 Lateral Female thread M8/M M/M2 M/M2 Rc(PT) 8 ø4, ø5,, ø8, ø, ø25 NBR (Black), Silicon (White), Urethane (Brown), Fluorine (Black with mark F), (Black with mark E) NBR/Silicon / (5 ), Urethane /Fluorine (6 ) Weight (g) 48 5 6 58 229 29 258 254 H -B-B H -B-B2 25H -B-B 25H -B-B2 Weight (g) 48 44 482 478 Z ZR ZM ZY ZH ZU ZL ZF ZCU CYV related How to Order 4 H N B B8 Pad diameter 4 5 ø4 ø5 63 8 ø8 ø 25 ø25 Mounting thread diameter ø4/ø5 B8 M8 B M B2 M2 entry B Re(PT) 8 /ø8 ø/ø25 H Pad style Heavy duty pad Material N NBR S Silicon U Urethane F Fluorine E 3.9-79
Series 4 H -B-B (Female thread) 5 63 H -B-B (Female thread) 8 øa øb C 4H -B-B8 4 42 M8 4H -B-B 4 42 M 5H -B-B8 5 52 M8 5H -B-B 5 52 M 63H -B-B 63H -B-B2 8H -B-B 8H -B-B2 øa øb C D E F Y G 63 65 4.5 26 4 63 3.5 M 63 65 4.5 26 4 63 3.5 M2 8 82 6.5 28 43 65 4.5 M 8 82 6.5 28 43 65 4.5 M25 H -B-B (Female thread) 25 øa øb C H -B-B 3 M H -B-B2 3 M2 25H -B-B 25 28 M 25H -B-B2 25 28 M2 3.9-8
Series Lateral Entry with Buffer Weight Table (Other materials) (g) Pad Silicon Urethane Fluorine diameter ø4 ø5 ø8 ø ø25 2 3 5 8 3 5 8 6 27 53 84 Add NBR weight to the table above for other materials. Standard Specifications Mounting entry direction Connection ø4, ø5 Thread, ø8 diameter ø, ø25 entry port Pad Style Material (colour) Durometer Weight Table (NBR) Lateral Male thread M8.5 M8.5 M22.5 Rc(PT) 8 Buffer stroke Buffer style ø4 to ø8 ø, ø25 Rotating (J) 25, 5, 75 (mm) 25, 5, 75, (mm) ø4, ø5,, ø8, ø, ø25 NBR (Black), Silicon (White), Urethane (Brown), Fluorine (Black with mark.), (Black with mark -) NBR/Silicon / (5 ), Urethane /Fluorine (6 ) Weight (g) Weight (g) 4HNJ25-B-A8 4HNJ5-B-A8 4HNJ75-B-A8 5HNJ25-B-A8 5HNJ5-B-A8 5HNJ75-B-A8 63HNJ25-B-A8 63HNJ5-B-A8 63HNJ75-B-A8 8HNJ25-B-A8 266 287 3 278 299 322 35 372 395 38 8HNJ5-B-A8 8HNJ75-B-A8 HNJ25-B-A22 HNJ5-B-A22 HNJ75-B-A22 HNJ-B-A22 25HNJ25-B-A22 25HNJ5-B-A22 25HNJ75-B-A22 25HNJ-B-A22 4 424 638 677 72 76 72 74 785 824 Z ZR ZM ZY ZH ZU ZL ZF ZCU CYV related How to Order 4 H N J 25 B A8 4 5 63 8 25 ø4 ø5 ø8 ø ø25 A8 A22 entry B Rc(PT) 8 Mounting thread diameter M8 (ø4 to ø8) M (ø, ø25) H N S U F E Pad style Heavy duty pad Material NBR Silicon Urethane Fluorine Buffer stroke (Rotating) Stroke 25 5 75 ø4 ø5 ø8 ø ø25 Spring reactive force Pad diameter Stroke Stroke end ø4 to ø8 6.9N.8N ø, ø25 N 5N 3.9-8
Series 4 H J -B-A8 (with buffer) 5 63 H J -B-A8 (with buffer) 8 øa øb C D 4H J25-B-A8 4 42 5 4H J5-B-A8 4 42 35 86 4H J75-B-A8 4 42 7 222 5H J25-B-A8 5 52 5 5H J5-B-A8 5 52 35 86 5H J75-B-A8 5 52 7 222 63H J25-B-A8 63H J5-B-A8 63H J75-B-A8 8H J25-B-A8 8H J5-B-A8 8H J75-B-A8 øa øb C D E F G H Y 63 65 4.5 26 4 63 3 54 3.5 63 65 4.5 26 4 63 36 89 3.5 63 65 4.5 26 4 63 72 225 3.5 8 82 6.5 28 43 65 5 56 4.5 8 82 6.5 28 43 65 38 9 4.5 8 82 6.5 28 43 65 74 227 4.5 H J -B-A8 (with buffer) 25 H J25-B-A22 H J5-B-A22 H J75-B-A22 H J-B-A22 25H J25-B-A22 25H J5-B-A22 25H J75-B-A22 25H J-B-A22 øa øb 3 C 5 D 86 3 5 222 3 9 262 3 226 297 25 28 5 86 25 28 5 222 25 28 9 262 25 28 226 297 3.9-82
Pads for Heavy Duty Material Handling Series T/ Construction Series T Series How to Order/Pad Unit Pad diameter 4 5 ø4 ø5 63 8 ø8 ø 25 ø25 4 H N Pad style H Heavy duty N S U F E Replacement Parts: Pad Unit Material NBR Silicon Urethane Fluorine Component Parts No. Description Material Surface treatment NBR, Silicone, q Pad Urethane, Fluorine, Aluminum Carbon steel Hard chrome plated Stainless steel w e r t y u i o Pad Unit Weight (NBR) 4HN 5HN 63HN 8HN HN 25HN Weight (g) 5 27 57 86 6 224 Add NBR weight to the table on the right for other materials. Adaptor plate Piston rod Spring Buffer body Buffer adaptor Adaptor A type adaptor Mounting nut Pad diameter ø4 ø5 ø8 ø ø25 Aluminum Brass Brass Brass Rolled steel Silicon 2 3 5 8 Urethane 3 Electroless nickel plated Electroless nickel plated Electroless nickel plated Black zinc chromated Fluorine 5 8 6 27 53 84 (g) Z ZR ZM ZY ZH ZU ZL ZF ZCU CYV related Dimensions 5 4 H 8 63 H 25 H øa øb øc 4H 4 42 32 5H 5 52 42 øb øc øa øb C D Y øa 63H 63 65 4.5 54 3.5 H 3 8H 8 82 6.5 68 4.5 25H 25 28 8 4 3.9-83
Series T/ How to Assemble/Disassemble How to Distinguish Different Pad Materials Checking the mark on the pad's interior surface as shown in the figure on the left. Material Color Mark NBR Silicon Urethane Fluorine Black White Brown Black Black F E Remove bolts with a hex. key wrench from the pad underside. Tighten new pad with the bolts ensuring there is no gap between the adaptor plate and the pad. Replacement Parts/Mounting Nut How to Order NA Mounting nut part number of "M4 " is "SN-5A". M6 M6 M8 M22 Mounting thread M6.5 M8.5 M22.5 Dimensions Part number SN-5A A 9 B 2.9 NA-M6 22 25.4 NA-M8 27 3.2 NA-M22 3 34.6 d H M4 5 M6.5 6 M8.5 9 M22.5 8 Dimensions Bolts A øb 5.5 2 7 5 8.5 d M3 M4 M5 L 8 8 3.9-84