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Roller box for 90m ending mill
one.Composition of roller box
Roller box major scenario, rear facet plate, roll shaft, front plate, eccentric locking collar elements, EPTTr sleeve, adjustable feed screw and nut.
1) ZG315-570 castings are used for roller box, No.45 steel plate processed by hardening and tempering techniques is utilised for rear plate and entrance plate. Main case, rear plate and front plate are processed by high precision machining resource( these kinds of as NC doing work cEPTTr) to guarantee the higher accuracy necessity for the location of eccentric locking collar and roll shaft.
2) Roll shaft utilised low carbon alloy steel blank, right after roughing, aXiHu (West EPT) Dis.s want to get ultrasonic flaw detection procedure to quench. In orEPTTto make certain the tooth floor with higher hardness, tooth floor want to get carburizing and quenching treatment following semi-ending .Wonderful grind of each and every round and the back again of aXiHu (West EPT) Dis.s insure its precision amp durableness with EPTTr sleeve and tooth floor. When the make approach of roll shaft finished, we need to get the equilibrium check to insure the rotary precision for the duration of roll shaft’s higher speed rotation(6000 Rev / min).
3) Eccentric locking collar undertake medium carbon metal casting, interior diameter and eccentric round are processed by CNC EPTT cEPTTr to make sure the eccentric distance and precision of inner and outer diameter. Then, the adjustment accuracy of roll hole and the Interchangeability of each and every eccentric locking collar are ensured.
4)front plate, rear plate and inside areas are mostly manufactured of medium carbon metal and processed by hard chrome plating and anti-corrosion treatment to boost the life time.
five)To make certain the roller box can achieve the assembly precision necessity, a four-hour idling higher-velocity demo is executed on completion of assembly of roller box and EPTTl EPTT, a easy and stable audio and no oil leakage from the joint part are necessary.