On the basis of experience for design and process the double cone second enveloping worm pair with worm threads z1max=8

speed ratio imin=5

center distance amax=500

the design and processing double cone second enveloping worm pair with worm threads z1=12

worm wheel z2=47

center distance a=600 is attempted.The worm pair meeting the requirements of customer is manufactured through design and manufacture special cutting tools and combine the existing equipment with external equipment.The successfully develop shows that the manufacture level of our company is reaching a higher stage of development

and such specifications of products is the first time in domestic production.