Foam Roller Cover,Phenolic Core Foam Roller Cover,Plastic Core Foam Roller Cover,Phenolic Core Blue Foam Roller Cover PRO-CHARGER CO., LTD. (VICTOR HERO HOLDINGS LTD, TIME VALUE LTD.) , https://www.pro-chargerco.com When we are working on the upper and lower needle plate slots (Fig. 1), the upper and lower needle plate slots are required to be aligned, and the precision is high. Originally processed on a trampoline, the dial and the dial gauge ensure the groove distance, and the error is large. To this end, we use a longitudinal precision moving device consisting of hanging wheels a, b, c, d. Improved single slot error
Milling needle plate slot moving device