Zhejiang Zhejiang chain Limited punch main components: 1) the bed section: bed and table cast iron casting one. 2) Clutch: The press does not work, the manipulator Cam blocked off turn tail key chain wholesalers, making it the working portion of the crescent-shaped fox completely into the slot of the crankshaft semicircle. At this point, crank idle chain manufacturers, slider stop at top dead center; when press work, the manipulator cam through an angle, turn the key to get out of the tail, how much by the spring action of the chain, turn the key is rotated 45 °, work enter any portion of the back cover of the three circles in a tank, the clutch is engaged position, crankshaft flywheel drive, slide up and down movement. Zhejiang and Zhejiang Chain Co., Ltd. to introduce you to the lifting chain maintenance techniques. Tightness of the chain as follows: Lift or pressure from the middle of the chain, the two sprocket center distance of about 2-3 percent. The new lifting chain is too long or chain elongation after use, difficult to adjust, you can remove the link to see the situation, but it must be even. Should the back through the chain link, locking plate inserted in the outside lock piece openings should move in the opposite direction of rotation. How much money chain, Zhejiang Zhejiang chain class quality (certified), provided by Zhejiang Hangzhou Chain Co., Ltd. Zhejiang chain. Zhejiang and Zhejiang in the chain Limited (www.zjzzlt.com) Zhejiang Jinhua, chains, sprockets leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Zhejiang Zhejiang chain leadership with the staff warmly welcome all inquiries to discuss, Zhejiang and Zhejiang to create a better future for the chain.