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Products
— Envelope Worm Gear
—— Robot Joint Gear
—— 12 Starts Double Enveloping Worm Gear
—— Tyre Shaping And Curing Press Worm Gear
— ZC Worm Gear
—— Heavy Plate Mill ZC-Worm Gear Set
— Gear Rack
—— Ship Lift Gear Rack
— Girth Gear
—— Grinding Mill Girth Gear
— Gear Shaft
—— Aluminum Plate Rolling Mill Gear Shaft
— Bevel Gear
—— Oil Drilling Equipment Spiral Bevel Gear
—— Cement Mill Spiral Bevel Gear
— Worm Rack
—— Ship Lift Worm Rack(Nut Column)
— Gear Segment
—— Alloy Steel Internal Gear Segment
— Nut and Screw
—— Screw-down nut and screw shaft
— Spline
—— Internal Spline
Technology
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Gear Rack
Ship Lift Gear Rack
Ship Lift Gear Rack
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The Main Data
Description: Ship lift gear rack
GEARX No.: CR62-470H
Module: 62 mm
No. of teeth: 24
Pressure angle: 20°
Material: G35CrNiMo6-6+QTI DIN EN 10293
Heat treatment: Through quenching and tempering, tooth surface induction hardened
Hardness of rack body: HB260-300,
hardness of tooth surface: HRC≥50
Case hardening depth(CHD): 6~9 mm
Length: 4,705 mm
Height: 492 mm
Face width: 810 mm mm 810
Rack width: 1,160 mm
Tooth surface finish:
Gear milling by special milling cutter
Dedendum milling by special milling cutter
Accuracy grade: DIN10a27
Weight of gear blank: 24,500 kg
Weight of rack: 11,300 kg
Applications
Vertical ship lift system
The Main Fabrication Procedure
Upon request
Technical Documents
Inspection certificate of material
Heat treatment certificate
Certificate of ultrasonic inspection with grade II
Magnetic particle detection certificate(on tooth flank)
Size tolerance and geometric tolerance report
Inspection report of tooth quality
Relative Standard
DIN 3961 Tolerance for cylindrical gear teeth; bases
DIN 3962 Tolerance for cylindrical gear teeth;
Part 1 Tolerance for diviations of individual parameter
Part 2 Tolerance for tooth trace deviations
Part 3 Tolerance for pitch-span deviations
DIN 3967 Tooth thickness allowances
Tooth thickness tolerances
Principles
Products
Double Enveloping Worm Gear
ZC Worm Gear
Gear Rack
Ship Lift Gear Rack
Girth Gear
Gear Shaft
Spiral Bevel Gear
Worm Rack
Gear Segment
Nut and Screw
Spline
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