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1, the new machine reconstruction and transformation of the old machine overhaul lathe must undergo the same transformation as follows

(1) Replace the X axis, Z axis screw, bearings, motors.

(2) increasing the electric turret and spindle encoder.

(3) increasing the axial motor drive unit run limit overtravel limit switch, the installation of the inverter (customer needs), and electrical parts required for the processing and security.

(4) X-axis, with both ends of the support surface scraping screw Z-axis ball screw bracket and saddle feature scratch, bed and saddle guideways conducted with scraping.-www.4546.com

(5) According to the need for increased protection means protection facilities, such as screw each to guard, security door, the trip switch.

2, the new machine is different transformation and transformation of the old machine overhaul lathe

(1) the transformation of the new machine spindle and tailstock section does not make changes, spindle part and tailstock parts need not be re-transformation.

(2) Old overhaul lathe because after prolonged use, the rail is worn, in order to ensure overhaul, can continue long-term use without deformation, must undergo a quenching step, then grind rails, and must ensure that the guide rail grinding hardness after ≥HRC47 .

(3) Old overhaul lathe spindle part and should the need for transformation and tailstock portion adjusted according to customer.

3, the new machine transformation and overhaul of machine accuracy inspection is an important test of the project

Precision test execution JB / T8324.1-1996 "Simple CNC horizontal lathe precision."

4, precision quality control follows new Lathe-新莆京注册网址

(1) scraping test. New Lathe screw through both ends of the support surface for the X-axis, Z-axis will be equipped with scraping, for ball screw with bracket and saddle were scraped, bed and saddle guideways conducted with scratch and so on. Lathe spindle, tailstock moving part is not opened. Test methods are as follows: with the mating surfaces were painted, face each other with the binding, and the relative friction, then scraping shovel scraping the surface inspection points, and the junction with a feeler binding level test, which shall not be less scraping point at 6:00 /25*25mm,0.03mm feeler plug junction, Nothing.-新葡京4473.com.-澳门新蒲京4242

(2) screw and guide rail parallel test: the assembly screw, screw and parallel rails must ≤0.02mm.

In the vertical plane of straightness (3) the accuracy of testing G1 entry rail (only allowed convex) shall lathe manufacturers to ensure, not as a key test items.

(4) Testing of the accuracy of the spindle part precision G4, G5, G6 items should also be carried out to ensure the lathe factory, not as a key test items.

(5) G11 item bedside, tailstock and other two *css height of the lathe manufacturers to ensure, not as a key project of transformation of factory quality control.

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