Non-standard roll collar
A roll ring, non-standard technology, applied in the direction of rolls, metal processing equipment, metal rolling, etc., can solve the problem of waste of standard roll rings, achieve the effect of reducing capital occupation, low consumption, and reduced repair costs
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[0020] Example 1
[0021] Such as figure 2 As shown, a non-standard roller ring includes an annular roller ring body 1 and two roller grooves 3 arranged on the outer circumference of the roller ring body 1. The center of the roller ring body 1 is a hole for connecting with a shaft . The two roll grooves 3 have the same shape and are semi-circular. The width of the roll groove 3 is 39.3 mm. The rolling center distance of the rolling mill corresponding to the roll ring is 27.5 mm. When the roll ring is rolled, the groove 3 is The dimension of the billet 2 in the axial direction of the roll ring body 1 is 35.2 mm.
[0022] The calculation formula for the thickness of the non-standard roll ring is:
[0023] The thickness of the roll ring body 1 is H, the rolling center distance is Z, the pass width is W, and f is the correction coefficient, which satisfies
[0024] H=3Z+1 / 2W-f.
[0025] In the formula, the units of H, Z and W are millimeters, and f is selected according to the following...
Example Embodiment
[0032] Example 2
[0033] This embodiment aims at improving the problems of the original roll ring at the work station. The pre-finishing station of a high-speed wire mill originally used an eight-inch standard roll ring when rolling flat materials. The roll ring body 1 of this ring has an inner diameter of 126 mm, an outer diameter of 228.3 mm, and a thickness of 72 mm. If only one is opened The semi-elliptical roller groove 3 will cause a lot of waste, but the thickness of the roller ring body 1 is a standard size, and the width of the semi-elliptical roller groove 3 is larger than that of the semi-circular roller groove 3, so the roller ring body The thickness of 1 is not enough to open two semi-elliptical grooves 3. In order to reduce waste and make full use of the thickness of the roller ring body 1, the roller ring body 1 is opened like Figure 4 A semi-elliptical roller groove 3 and a semi-circular roller groove 3 are shown.
[0034] In actual production, the use rate of ...
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