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{"title":"Custom Made Right Hand Left Hand Helical Gear with ISO 8-9 Grade","imgUrl":"https:\/\/img.chinax.com\/nimg\/07\/f4\/32baa1a81f9009980e0264fdb76e-200x200-1\/custom_made_right_hand_left_hand_helical_gear_with_iso_8_9_grade.jpg","attrs":{"Brand Name":"YIZGEAR","Model Number":"DB22072301","Place of Origin":"CHINA","Minimum Order Quantity":"1 Piece"}}
{"title":"Customized Double Helical Gears with 35 Teeth and 20\u00b0 Pressure Angle for Heavy","imgUrl":"https:\/\/img.chinax.com\/nimg\/0e\/a8\/1273a1f9022b0bc117320f172d40-200x200-1\/customized_double_helical_gears_with_35_teeth_and_20_c2_b0_pressure_angle_for_heavy_duty_applications.jpg","attrs":{"Brand Name":"YIZGEAR","Model Number":"DB220804005","Place of Origin":"CHINA","Minimum Order Quantity":"1 Piece"}}
{"title":"SAE 4340 Steel DP 1.5 24T Double Helical Gears Shaft For Heavy Duty Appliations","imgUrl":"https:\/\/img.chinax.com\/nimg\/94\/a1\/d81742f4de35df124705b5a86de4-200x200-1\/sae_4340_steel_dp_1_5_24t_double_helical_gears_shaft_for_heavy_duty_appliations.jpg","attrs":{"Brand Name":"YIZGEAR","Model Number":"DB22082204","Place of Origin":"CHINA","Minimum Order Quantity":"1 Piece"}}
{"title":"SAE 4340 Steel Doubel Helical Gear Shaft 8 Module Helical Pinion Shaft","imgUrl":"https:\/\/img.chinax.com\/nimg\/ba\/67\/df5d84e908a006a66306ac455437-200x200-1\/sae_4340_steel_doubel_helical_gear_shaft_8_module_helical_pinion_shaft.jpg","attrs":{"Brand Name":"YIZGEAR","Model Number":"DB22083002","Place of Origin":"CHINA","Minimum Order Quantity":"1 Piece"}}
{"title":"Gear Milling Herringbone Double Helical Gear Shaft DP 1.5 22T","imgUrl":"https:\/\/img.chinax.com\/nimg\/a4\/94\/b020862c31b3af3f72038f121c6d-200x200-1\/gear_milling_herringbone_double_helical_gear_shaft_dp_1_5_22t.jpg","attrs":{"Brand Name":"YIZGEAR","Model Number":"DB22083003","Place of Origin":"CHINA","Minimum Order Quantity":"1 Piece"}}
{"title":"18CrNiMo7 Steel Double Helical Gear For High-Efficiency Applications","imgUrl":"https:\/\/img.chinax.com\/nimg\/4e\/35\/5ff434fa287006a567cfafe5ec26-200x200-1\/18crnimo7_steel_double_helical_gear_for_high_efficiency_applications.jpg","attrs":{"Brand Name":"YIZGEAR","Model Number":"DB220804003","Place of Origin":"CHINA","Minimum Order Quantity":"1 Piece"}}
Double helical gears are composed of two sets of symmetrical gear teeth with opposite helix angles (such as left-handed and right-handed), forming a V-shaped tooth profile structure, which is equivalent to the combination of two mirror-image helical gears.
2)Features of Double helical gears
The axial thrust generated by the two rows of helical teeth cancels each other out, thus the bearings inside the gearbox are not affected by the net axial load.
3)Advantages of Double helical gears
Automatic balancing of axial force: The reverse helical angle enables self-balancing of axial force, eliminating the need to rely on bearings for counteraction.
Extremely low bearing load: The bearings are hardly subjected to axial force, resulting in longer service life and simpler structural design.
High load-bearing capacity: The double-tooth meshing ensures a more even distribution of load, enabling the transmission of greater torque and power.
Technical Specifications
Parameter
Specification
Custom Made
Available
Gear Profile Type
Cylindrical Gear
Manufacturing Process
Gear Milling & Gear Teeth Hobbing
Teeth Grinding
Included
Module (M)
Custom
Number of Teeth (Z)
Custom
Pressure Angle (α)
20°
Lead Angle
25°
Accuracy Grade
ISO 8-9 Grade
Heat Treatment
Quenching & Tempering
Surface Hardness
260-300HB
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
Production Equipment
Manufacturing Process
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2016
Total Annual:
1.0 Million-1.5 Millon
Employee Number:
50~200
Ecer Certification:
Verified Supplier
YIZHI MACHINERY which is equipped with a full range of machining capabilities to satisfy customer needs.
Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry.... YIZHI MACHINERY which is equipped with a full range of machining capabilities to satisfy customer needs.
Our team has extensive experience in precision gearing systems for numerous industries. We have supplied gears for mining equipment, power tools, hydraulic pumps and the rail transit industry....