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Rolling process and steps with saws

Release time:2018-04-03

(I) Rolling process and steps with saw strips:
1. Press the convex surface first. Check the strip with a flat scale to see if there is a congenital convex concave.
2. Starting from the middle, the gap between 8 mm and 10 mm before and after the jump pressure, the force is gradually reduced to the middle large to both sides, the teeth with a 15-mm seat belt. Check the Radian with the Radian ruler while pressing, do not exceed the limit. Check and trim the back of the saw blade at the same time, no bending is allowed.
3. After finishing one side, turn over the saw blade and check the other side to see if there is any deficiency. If there is, keep pressing, but don't put any pressure along the roller press. Wait to meet the standards, and then check the repair section by section, repair also along the roller press. To be reversed, the front is in line with the standards, after the finish.

(2) Grinding of saw strips and main items:
The new saw blade must be worn before being used. The service life of an unworn or unworn saw blade is 1/3 or less of a worn saw blade. Only half of the normal feed pressure / rate and sawing speed can be used when the blade is worn, until the surface area of 300 to 1000 cm-2 is sawn. The feed rate and sawing rate are then gradually increased to normal values. If the line speed too fast, will produce too much heat, will make the Sawtooth blunt or break the Sawtooth.
2. The feed speed: too fast the feed speed, will cause the teeth or saw belt break. The feed speed is too slow and the pressure is insufficient to harden the material and speed up the wear.
3. Tension force: Too much tension will cause the saw band to break; Insufficient tension can damage the saw band or cause a tangent, slightly exceeding the specified tension to Zhangjinju than below the specified tension.

4. Environment in which the saw machine is used: Incorrect use or uncorrected chainwheel can destroy the saw belt or shorten its service life.