Available in July 2010

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1 Available in July 2010 SGFD/SGFK/SGCPFD Ground acks m0.5~ 18 items engths : 0, 0 and 1000mm CP5~20 8 items engths : 0 and 1000mm The product line-up for the popular J-Series has expanded! Quick-touse Ground acks are now available from the J-Series. easonably priced and excellent in durability. MMS/MM Miter Gears 10 items SUO Stainless Steel aound acks SUN Stainless Steel Screw Gears 5 items m2~5 No. of Teeth: m2~3 3 items ength : 0mm m1.5~3 8 items No. of Teeth: 20 GCU Gear Assembly Kit (For Educational Use) Available for sale in August Spur Gears, acks & Pinions, Helical Gears, Miter Gears, Screw Gears, Worm Gear Pair

8, hardeness range is 2HB ~ 20HB. * Due to the decarburization layer of about 0.5 mm thickness, the rectangular surface have less than HB187 hardness.vvazv Module No.

01 90 M3 SGFK0.8-0J m0.8 119 A 299.08 8 12.3 11.5 5.5 1.5 90 M SGFK1-0J 9 1.59 20.80 1 3 m1 A 10 12 11 5 SGFK1-0J 159 99.51 2.7 M SGFD1.5-0J SGFD1.5-1000J SGFD2-0J SGFD2-1000J SGFD2.5-0J SGFD2.

09 999.03 15 20 18.5 8 20 23 10 27.5 12 35 32 1 0 5 1 18 5 20 0 0 5 23 2.7 9.51 2.33 52.5 2.33 52.5 2.7 9.51 2.33 52.5 31.33 2.5.0 59.

2 SGFD SGFK Ground acks Module 0.5 ~ Precision grade KHK 001 grade 3 Gear teeth Standard full depth πm G πm S5C Tooth surface induction hardeded * 5 ~ 55HC* πm G πm A * Tooth surfaces, where the pitch is less than module 0.8, hardeness range is 2HB ~ 20HB. * Due to the decarburization layer of about 0.5 mm thickness, the rectangular surface have less than HB187 hardness.vvazv Module No. of teeth Shape Total length Face width Height Height to pitch line Mounting hole dimensions No. of Mounting mounting A B C D E F G holes screw size SGFK0.5-0J m A M3 SGFK0.8-0J m A M SGFK1-0J m1 A SGFK1-0J M SGFD1.5-0J SGFD J SGFD2-0J SGFD2-1000J SGFD2.5-0J SGFD J SGFD3-0J SGFD3-1000J SGFD-0J SGFD-1000J SGFD5-0J SGFD5-1000J SGFD-0J SGFD-1000J m1.5 m2 m2.5 m3 m m5 m * Ground racks with these specifications: Module 8, Total length (A) 1000 mm, Height (C) 90 mm or less, are also available by request as custom-made products M5 M M8 M10 M12 M1 M1 SGCPFD CP Ground acks Precision grade KHK 001 grade 3 Circular Pitch 5 ~ 20 Gear teeth Standard full depth S5C Tooth surface induction hardeded * CP G CP 5 ~ 55HC* * Due to the decarburization layer of about 0.5 mm thickness, the rectangular surface have less than HB187 hardness.vvazv SGCPFD5-0J SGCPFD5-1000J SGCPFD10-0J SGCPFD J SGCPFD15-0J SGCPFD J SGCPFD20-0J SGCPFD J Pitch mm (Module) CP5 (1.5915) CP10 (3.1831) CP15 (.77) CP20 (.32) No. of teeth Shape Total length Face width Height Height to pitch line Mounting hole dimensions No. of Mounting mounting A B C D E F G holes screw size M5 M10 M1 M1 - -

3 ohs Compliant Product e-machinable Product Heat Treated Product Ground Gear Black Oxide coated Product Ground acks [Caution on Secondary Operations]1 The allowable forces shown in the table are the calculated values according to assumed usage conditions. Please see the KHK Catalog for more details. 2 After attaching the racks to the base, please fasten with dowel pins. Clamping only with mounting screws could possibly cause the screws to be broken, due to the heavy load. [Caution on Secondary Operations]1 Available-on-request products, require a lead-time for shipping (from the factory) of 5 working-days after placing a order. Please allow additional shipping time to get to your local distributor. 2 Number of products we handle for one order is 1 to 20 pieces. For quantities of 21 pieces or more, we need to quote price and lead time. 3 The addition of black oxide coating to the machined areas of the mounting holes is NOT performed. Counterbore dimensions Allowable force(n) Allowable force(kgf) Weight H I J Bending strength Surface durability Bending strength Surface durability (kg) SGFK0.5-0J SGFK0.8-0J 0.2 SGFK1-0J SGFK1-0J SGFD1.5-0J SGFD J SGFD2-0J SGFD2-1000J SGFD2.5-0J SGFD J SGFD3-0J SGFD3-1000J SGFD-0J SGFD-1000J SGFD5-0J SGFD5-1000J SGFD-0J SGFD-1000J ohs Compliant Product e-machinable Product Heat Treated Product Ground Gear Black Oxide coated Product CP Ground acks [Caution on Product Characteristics]1 The allowable forces shown in the table are the calculated values according to assumed usage conditions. Please see the KHK Catalog for more details. 2 After attaching the racks to the base, please fasten with dowel pins. Clamping only with mounting screws could possibly cause the screws to be broken, due to the heavy load. [Caution on Secondary Operations]1 Available-on-request products, require a lead-time for shipping (from the factory) of 5 working-days after placing a order. Please allow additional shipping time to get to your local distributor. 2 Number of products we handle for one order is 1 to 20 pieces. For quantities of 21 pieces or more, we need to quote price and lead time. 3 The addition of black oxide coating to the machined areas of the mounting holes is NOT performed. Counterbore dimensions Allowable force(n) Allowable force(kgf) Weight H I J Bending strength Surface durability Bending strength Surface durability (kg) SGCPFD5-0J SGCPFD5-1000J SGCPFD10-0J SGCPFD J SGCPFD15-0J SGCPFD J SGCPFD20-0J SGCPFD J - 3 -

MMS Spiral Miter Gears Precision grade JIS B 170 grade Gear teeth Gleason Module 2 ~ 5 Helix angle 35 SCM15 Carburizing 55 ~ 0HC Gear ratio Module No. of teeth Direction of spiral MMS2- MMS2- MMS2.

4 MMS Spiral Miter Gears Precision grade JIS B 170 grade Gear teeth Gleason Module 2 ~ 5 Helix angle 35 SCM15 Carburizing 55 ~ 0HC Gear ratio Module No. of teeth Direction of spiral MMS2- MMS2- MMS2.5- MMS2.5- MMS3- MMS3- MMS- MMS- MMS5- MMS5-1 m2 m2.5 m3 m m5 Bore Hub dia. Pitch dia. Outside dia. Mounting distance Total length Crown to back length Shape AH7 B C D E F G [Caution on Secondary Operations]1 A sets of miter gears must be identical in module and number of teeth, but opposite in spiral hands. 2 The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see page 329 for more details. 3 Dimensions of the outside diameter, the overall length and crown to back length are all theoretical values, and some differences will occur due to the corner chamfering of the gear tips. These gears produce axial thrust forces. [Caution on Secondary Operations]1Please read Caution on Performing Secondary Operations in the KHK Catalog, when performing modifications and/or secondary operations regarding safety concerns. Haguruma Kobo, KHK s system for quick modification of KHK stock gears is also available. 2 In the illustration, the area surrounded with line is masked during the carburization process and can be modified. However, care should be exercised since the hardness is high (approx. HC0, maximum). MM Miter Gears Precision grade JIS B 170 grade Gear teeth Gleason SCM15 Module 2 ~ 5 Carburizing 55 ~ 0HC Gear ratio Module No. of teeth Shape MM2- MM2.5- MM3- MM- MM5-1 m2 m2.5 m3 m m5 Bore Hub dia. Pitch dia. Outside dia. Mounting distance Total length Crown to back length Hub width AH7 B C D E F G H [Caution on Secondary Operations]1 The allowable torques shown in the table are calculated values according to assumed usage conditions. Please see the KHK Catalog for more details. 2 Dimensions of the outside diameter, the overall length and crown to back length are all theoretical values, and some differences will occur due to the corner chamfering of the gear tips. [Caution on Secondary Operations] 1 Please read Caution on Performing Secondary Operations in the KHK Catalog, when performing modifications and/ or secondary operations regarding safety concerns. Haguruma Kobo, KHK s system for quick modification of KHK stock gears is also available. 2 In the illustration, the area surrounded with the line is masked during the carburization process and can be modified. However, care should be exercised since the hardness is high (approx. HC.0.maximum). - -

5 ohs Compliant Product e-machinable Product Heat Treated Product Spiral Miter Gears Hub width ength of bore Face width Holding surface dia. Allowable torque(n m) Allowable torque(kgf m) Backlash Weight H I J K Bending strength Surface durability Bending strength Surface durability (mm) (kg) ~ ~ ~ ~ ~0.3. MMS2- MMS2- MMS2.5- MMS2.5- MMS3- MMS3- MMS- MMS- MMS5- MMS5- ohs Compliant Product e-machinable Product Heat Treated Product Carburized & Hardened Miter Gears ength of bore Face width Holding surface dia. Allowable torque(n m) Allowable torque(kgf m) Backlash I J K Bending strength Surface durability Bending strength Surface durability (mm) 0.0~ ~ ~ ~ ~0.3 Weight (kg) MM2- MM2.5- MM3- MM- MM

SUO Stainless Steel ound acks Module 2 ~ 3 Precision grade KHK 001 grade 5 Gear teeth Standard full depth SW SW SUS3 ess than 187HB * SW is saw blade finish. 2 Module Effective no.

6 SUO Stainless Steel ound acks Module 2 ~ 3 Precision grade KHK 001 grade 5 Gear teeth Standard full depth SW SW SUS3 ess than 187HB * SW is saw blade finish. 2 Module Effective no. of teeth Shape Total length Outside dia. Height to pitch line Allowable force(n) Allowable force(kgf) A dh9 D Bending strength Surface durability Bending strength Surface durability SUO2-0 m SUO2.5-0 m SUO3-0 m [Caution on Secondary Operations]1 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see the KHK Catalog for more details. [Caution on Secondary Operations]1 Please read Caution on Performing Secondary Operations in the KHK Catalog, when performing modifications and/ or secondary operations regarding safety concerns. Haguruma Kobo, KHK s system for quick modification of KHK stock gears is also available. SUN Stainless Steel Screw Gears(Spiral Gears) Module 1.5 ~ 3 Precision grade eference section of gear JIS grade N9 (JIS B1702-1: 1998) JIS grade 5 (JIS B1702: 197) Normal plane Gear teeth Standard full depth Normal pressure angle 20 Helix angle 5 SUS3 S1 Module No. of teeth Direction of helix SUN SUN SUN2-20 SUN2-20 SUN SUN SUN3-20 SUN3-20 m m2 20 m m3 20 Shape Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length AH7 B C D E F G S S S S [Caution on Secondary Operations]1 When mating screw gears made of the same material, this may cause abrasion and scoring. It is recommended to mate Screw Gears composed of different materials. 2 The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see the KHK Catalog for more details. 3 The backlash values shown in the table are the theoretical values for the backlash in the normal direction of a pair of identical gears in mesh. For offset shaft applications, match a H with a H, or H with a H, to make a set of screw gears. For parallel shaft applications, mesh opposite hands (H and H) of helical gear sets. [Caution on Secondary Operations]1 Please read Caution on Performing Secondary Operations in the KHK Catalog, when performing modifications and/ or secondary operations regarding safety concerns. Haguruma Kobo, KHK s system for quick modification of KHK stock gears is also available. 2 Avoid performing secondary operations that narrow the tooth width, as it affects precision and strength. - -

7 ohs Compliant Product e-machinable Product Stainless Steel Product Stainless Steel ound acks Weight (kg) 1.15 SUO SUO SUO3-0 ohs Compliant Product e-machinable Product Stainless Steel Product Stainless Steel Screw Gears Allowable torque(n m) Allowable torque(kgf m) Backlash Surface durability Surface durability (mm) Weight (kg) ~ ~ ~ ~ SUN SUN SUN2-20 SUN2-20 SUN SUN SUN3-20 SUN

GCU Gear Assembly Kit ohs Compliant Product Gear Cube KHK Gear Assembly Kits are educational products

mechanical functions barely seen when gears are assembled in machinery.

system, as well as different types of gears to be used.

Type: Spur Gear Gears included: SS1.5-1 2 pieces PS1.5-22 2 pieces Gear atio: 1.

and includes the most commonly used combinations of gears.

Applications include devices that provide lift.

5-0 PS1.5-20 Use of bevel gears allows the changing of the shaft angle by 90 degrees.

GCU-W Worm Gear Pair Kit Installation style: Intersecting Axis Gears Gear Type: Miter Gear Gears

Pair Gears included: SW2-1 PG2-201 Gear atio: 20 Screw Gears are helical gears used in nonparallel and

Hand Wheel Options Worm Gear Pairs can be used to make large reductions in speed in a single phase.

8 GCU Gear Assembly Kit ohs Compliant Product Gear Cube KHK Gear Assembly Kits are educational products where users can assemble the kits themselves to understand in greater detail how gears work by observing mechanical functions barely seen when gears are assembled in machinery. Used in combination, these kits make it easier to learn about speed reduction or power transmission system, as well as different types of gears to be used. GCU-S Spur Gear Kit GCU-H Helical Gear Kit Installation style: Parallel Axis Gears (two-stage) Gear Type: Spur Gear Gears included: SS pieces PS pieces Gear atio: 1.89 Installation style: Parallel Axis gears Gear Type: Helical Gear ( Screw Gear) Gears included: SN PN Gear atio: 1 The Gear Kit contains two-stage spur gears and allows speed increases / reductions, and includes the most commonly used combinations of gears. GCU- ack Kit Helical gears have more strength than spur gears, of the same dimensions, and have the advantage of being less noisy. GCU-M Miter Gear Kit Use of racks enables the conversion of rotation motion to linear motion. Applications include devices that provide lift. GCU-N Screw Gear Kit Installation style: Gear Type: Gears included: Parallel Axis Gears ack & Pinion SO1.5-0 PS Use of bevel gears allows the changing of the shaft angle by 90 degrees. Applications include the changing of the direction of power. GCU-W Worm Gear Pair Kit Installation style: Intersecting Axis Gears Gear Type: Miter Gear Gears included: SM2- PM2- Gear atio: 1 Installation style: Nonparallel and Nonintersecting Axis Gears Gear Type: Screw Gear Gears included: SN PN Gear atio: 1 Installation style: Nonparallel and Nonintersecting Axis Gears Gear Type: Worm Gear Pair Gears included: SW2-1 PG2-201 Gear atio: 20 Screw Gears are helical gears used in nonparallel and nonintersecting situations. Applications include devices like conveyers with light loads. Hand Wheel Options Worm Gear Pairs can be used to make large reductions in speed in a single phase. The Worm gear cannot be driven by the worm wheel due to inherent self-locking. These assembly kits are NOT practical to transmit power. Please use only for demonstration purposes. All personnel of the KHK Group strive to develop, manufacture and sell products that can satisfy our customers needs. In our pursuit of reliable productivity, our efforts have been rewarded with being accredited with the Quality Management System (ISO9001) and the Environmental Management System (ISO1001) Certifications. Contact Information Naka-cho,Kawaguchi-shi,Saitama-ken, ,Japan PHONE: FAX: U export@khkgears.co.jp

Direction of Helix (R) No. of Teeth (20) Module (1) Others (Ground Gear) Type (Helical Gear) Material (SCM440)

Direction of Helix (R) No. of Teeth (20) Module (1) Others (Ground Gear) Type (Helical Gear) Material (SCM440) KH round Series Newly added m1 ~ 3 Page 168 SH Steel m2, 3 Page 178 CP acks acks Catalog Number of KHK Stock The Catalog Number for KHK stock gears is based on the simple formula listed below. Please order