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AISI 4140 Girth Gear And Pinion Heavy Duty Gear Hobbing

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AISI 4140 Girth Gear And Pinion Heavy Duty Gear Hobbing

Brand Name : YIZGEAR

Model Number : GG22082304

Place of Origin : CHINA

MOQ : 1 Piece

Price : $1500/ Piece

Payment Terms : L/C, D/P, T/T, Western Union

Supply Ability : 20 Pieces/Month

Delivery Time : 90 Days

Packaging Details : Wooden Crate/Pallte

Material : Casting Stell

Hardness : 260-280 HB

Heat Treatment : Quenching & Tempering

Width : 250mm

Packing : Wooden Crate/ Pallet

Outer Diameter : 3200

Pressure angle : 20°

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Custom Made Casting Steel Large Size Gear Wheel Heavy-Duty Girth Gears

1) Description of Girth Gear

As a principle structural and mechanical component, the girth gear on a rotary drum has widespread effects

when allowed to wear. As a result, gear wear should be addressed immediately, typically through replacement,

though in cases of onset wear, simple adjustments may prevent further damage.

2) Heat Treatment of Girth Gear

Gears are flame or induction hardened to achieve a desirable hardness. Hardness of the girth and pinion

gears plays an essential role in maximizing equipment life.

3) Material of Girth Gear

Castings Steel/ ZG 42CrMo (AISI 4140) or ZG40CrNiMo (AISI 4340)

Products

Girth Gears

Custom Made

√

Gear Profile Type

Cylindrical Gears

Gear Teeth manufacturing

Gear Milling/Gear Hobbing

Gear Teeth Grinding

Module (M)

Custom

Number of Teeth (Z)

Custom

Pressure Angle (α)

20°

Helix Angle (β)

Custom

Teeth Accuracy Grade

ISO 8-9 Grade

Heat Treatment

Quenching & Tempering

Surface Hardness

230-260 HB

STEEL CODE GRADES COMPARISON
CHINA/GB ISO ГΟСТ ASTM JIS DIN
45 C45E4 45 1045 S45C CK45
40Cr 41Cr4 40X 5140 SCr440 41Cr4
20CrMo 18CrMo4 20ХМ 4118 SCM22 25CrMo4
42CrMo 42CrMo4 38XM 4140 SCM440 42CrMo4
20CrMnTi 　 18XГT 　 SMK22 　
20Cr2Ni4 　 20X2H4A 　 　 　
20CrNiMo 20CrNiMo2 20XHM 8720 SNCM220 21NiCrMo2
40CrNiMoA 　 40XH2MA/
40XHMA		 4340 SNCM439 40NiCrMo6/
36NiCrMo4
20CrNi2Mo 20NiCrMo7 20XH2MA 4320 SNCM420 　

AISI 4140 Girth Gear And Pinion Heavy Duty Gear Hobbing


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