An easy way to guarantee the quality of herringbone gears

It is well known that when cutting a herringbone gear, the two halves of the herringbone spiral must be placed at the midpoint of the undercut. The error is recommended according to the "Mechanical Engineering Manual": the gear with 8 precision is within 0.5mm, and the gear with 7 precision is within 0.2mm. Figure 1 is the herringbone gear in the gearbox of our factory. The normal modulus m_(?)=8, the number of teeth z=20, the tooth angle α=20°, the helix angle β=9°26', the accuracy is 8FH. Past me

Drill Buffing Head

This cotton buffs drill buffing head is made of 100% high quality pure soft cotton cloth, these buffing wheels are perfect for fine polishing of various jewelries made of brass, silver, gold or plastic, especially for high luster mirror buffing.

1.Specially designed for polishing recessed aread such as mag wheels, motorcycle wheels manifolds.
2.Use with any drill.
3.Shine your faded wheels, manifolds etc. With this Great PROFESSIONAL GRADE KIT!
4.Brings your faded items back to like new condition. The variable speed drill prevents the pad from rotating too fast and spraying off the polishing compound.

We distributes and wholesales various brands of Bonded Abrasives , Abrasive Sanding Disc, Cutting Wheels , Abrasive Flap Disc , Flap Wheels , Flap Disc Backing Pad, Flap Disc Adhesive , and Surface Conditioning Product etc, and enjoy a high position among consumers.

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