Main Data
- Description: Robot joint gear
- Gear type: Double enveloping worm gear(Globoidal worm gearing)
- GEARX No.: TPW1.5-20R
- Center distance: 1.5 inches
- Ratio: 20/1
- Starts of worm: 1
- Number of teeth of worm gear: 20
- Helical hand: Right
- Worm:
- Material of worm: 42CrMo
- Heat treatment: Through quenching and tempering, then nitriding
- Tooth surface hardness: HV≥600
- Tooth surface finish: Ground
- Tip diameter: 0.87 inches
- Reference diameter: 0.658 inches
- Face width: 0.88 inches
- Worm gear
- Material: ZQSn10-1
- Tooth surface finish: Hobbing
- Tip Diameter: 2.448 inches
- Reference diameter: 2.342 inches
- Face width: 0.4 inches
The Main Fabrication Procedure
- 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
- Worm gear
- Centrifugal casting
- IRough turning
- Semi-finish turning
- Hobbing
- Facing up
Technical Documents
- Inspection certificate of material
- Heat treatment certificate
- Certificate of ultrasonic inspection
- 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)
Application
- Robot Joint
- Antenna device