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—— Oil Drilling Equipment Spiral Bevel Gear
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—— Alloy Steel Internal Gear Segment
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Double Enveloping Worm Gear
12 Starts Double Enveloping Worm Gear
12 Starts Double Enveloping Worm Gear
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Main Data
Description: 12 starts double enveloping worm gear set
GEARX No.: TPW600-3.9167-12
Center distance: 600 mm
Ratio: 3.9167 (47/12)
Starts of worm: 12
Number of teeth of worm gear: 47
Transverse module(Mt): 20 mm
Pressure angle: 29.7°
Helical angle: 43°
Helical hand: Right
Double enveloping worm
Material of worm: 42CrMo
Heat treatment: Through quenching and tempering, then nitriding.
Tooth surface hardness: HV≥600
Nitriding depth (CHD): 0.5 mm
Tooth surface finish: Ground
Tip diameter: 288 mm
Reference diameter: 260 mm
Face width: 220 mm
Weight of gear blank: 850 kg
Weight: 600 kg
Double enveloping worm gear
Material: ZCuAl10Ni6Fe5
Tooth surface finish: Hobbing
Tip Diameter: 968 mm
Reference diameter: 940 mm
Face width: 176 mm
Weight of gear blank: 480 kg
Weight: 300 kg
Application
Roiling mill screw down
The Main Fabrication Procedure
Double enveloping worm
Forging the gear blank
Normalizing
Rough turning
Ultrasonic inspection
Quenching and tempering
Semi-finish turning
Aging treatment
Coarse grinding the external and ends
Turning tooth threads
Semi-finish grinding tooth
Nitriding
Finish grinding the external and ends
Gear grinding
Inspection magnetic inspection the tooth flank, and then magnet demagnetization
Facing up
Double enveloping worm gear
Centrifugal casting
Rough turning
Semi-finish turning
Hobbing
Facing up
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 Standards
GB/T16445-1996 Planar double-enveloping worm gear accuracy
ANSI/AGMA 6035-A02 American National Standard Design, Rating and Application of Industrial Globoidal Wormgearing (Metric Edition)
Relative Information
Catalog
Double enveloping worm gears in inches
Double enveloping worm gears in metric
1.5 M
Products
Double Enveloping Worm Gear
Robot Joint Gear
12 Starts Double Enveloping Worm Gear
Tyre Shaping And Curing Press Worm Gear
ZC Worm Gear
Gear Rack
Girth Gear
Gear Shaft
Spiral Bevel Gear
Worm Rack
Gear Segment
Nut and Screw
Spline
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