Hardened Spur Gears: Thermal Refined Racks
Hardened Spur Gears: Thermal Refined Racks
Hardened
CP Spur Gears CP Steel Spur Gears
Specifications
G New
E F
JIS grade N9 (JIS B1702-1: 1998)
Precision grade
JIS grade 5 (JIS B1702: 1976)
Gear teeth Standard full depth
Gears
Gears
Pressure angle 20°
Spur
Spur
Material SCM440
D
A
B
C
Normalizing, tooth surfaces
Heat treatment
induction hardened
Tooth hardness 50 ∼ 60HRC
Helical
Helical
Gears
Gears
S1
Pitch mm No. of Bore Hub dia. Pitch dia. Outside dia. Face width Hub width Total length Distance Allowable torque (N·m) Allowable torque (kgf·m) Backlash Weight
Catalog No. (Module) teeth
Shape traveled Catalog No.
AH7 B C D E F G in one turn (mm) Bending strength Surface durability Bending strength Surface durability (mm) (kg)
Internal
Internal
KSCP5-20 20 10 25 31.83 35.01 100 35.7 17.0 3.64 1.73 0.13 KSCP5-20
Gears
Gears
KSCP5-25 25 12 32 39.79 42.97 125 48.1 28.8 4.91 2.93 0.21 KSCP5-25
CP5 (1.5915) 15 15 30 0.09-0.26
KSCP5-30 30 15 40 47.75 50.93 150 60.8 44.3 6.20 4.52 0.32 KSCP5-30
KSCP5-40 40 15 55 63.66 66.85 200 86.7 86.2 8.84 8.79 0.61 KSCP5-40
S1
KSCP10-20 20 20 50 63.66 70.03 200 285 141 29.1 14.4 0.93 KSCP10-20
KSCP10-25 25 20 65 79.58 85.94 250 385 239 39.3 24.4 1.57 KSCP10-25
Racks
Racks
CP5 (3.1831) 30 20 50 0.14-0.36
KSCP10-30 30 25 80 95.49 101.86 300 487 368 49.6 37.5 2.28 KSCP10-30
KSCP10-40 40 25 110 127.32 133.69 400 694 718 70.8 73.2 4.30 KSCP10-40
[Caution on Product Characteristics] ① The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please [Caution on Secondary Operations] ① Please read Caution on Performing Secondary Operations (Page 228) when performing modifications
see Page 227 for more details. and/or secondary operations for safety concerns. KHK Quick-Mod Gears, the KHK's system for quick modi-
CP Racks
CP Racks
& Pinions
& Pinions
② The backlash values shown in the table are the theoretical values when these gears and KRCP Racks are in mesh. fication of KHK stock gears is also available.
② Due to the gear teeth being induction hardened, no secondary operations can be performed on tooth
areas including the bottom land (approx. 2mm to 3mm).
Gears
Gears
Miter
Miter
KRCPF・KRCPFD Circular Pitch 5、10 KRCPF・KRCPFD
CP Thermal Refined Racks Series CP Thermal Refined Racks
Gears
Gears
Bevel
Bevel
Specifications
Precision grade KHK R 001 grade 4 *2
Screw
Gears
Gears
Material SCM440
C
D
J
I
C
D
E
Heat treatment Thermal refining only
Worm
the rectangular surface have less than HB187 hardness.
*2 The precision grade of J Series products is equivalent to the
value shown in the table. [Caution on Product Characteristics] ① The allowable forces shown in the table are the calculated values according to the assumed usage conditions. Please see
Page 227 for more details.
Pitch mm No. of Total length Face width Height Height to pitch line Allowable force (N) Allowable force (kgf) Weight ② Backlash of racks vary depending on mating pinions. Please calculate the backlash in accordance with the backlash of
the mating pinion and values in the table "Backlash of Rack Tooth (Amount of Tooth-Thinning)" (Page 191).
Catalog No. (Module) teeth
Shape
A B C D Bending strength Surface durability Bending strength Surface durability (kg)
Bevel
Bevel
① Please read Caution on Performing Secondary Operations (Page 228) when performing modifications and/or secondary operations
KRCPF5-500 100 RF 500 1.08
CP5 (1.5915) 15 20 18.41 3660 1040 373 106 [Caution on Secondary Operations]
for safety concerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available.
KRCPF5-1000 200 RF 1000 2.17
KRCPF10-500
CP10 (3.1831)
50 RF 500
30 35 31.82 14600 4480 1490 457
3.75 ② If gear tooth hardening, or thermal refining, is applied, the decarburization layer (approx. 0.5 mm thickness) on the rect-
KRCPF10-1000 100 RF 1000 7.49 angular surfaces cannot have the hardness you designate.
Other
Other
Catalog No. Pitch mm Total length Face width Height Height to pitch line Mounting hole dimensions No. of Mounting Counterbore dimensions Allowable force (N) Allowable force (kgf) Weight Catalog No.
No. of teeth Shape mounting
●:J Series (Available-on-request) (Module) A B C D E F G holes screw size H I J Bending strength Surface durability Bending strength Surface durability (kg) ●:J Series (Available-on-request)
242 You can download CAD data (DXF format) of KHK Products from the Web Catalog. 243