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Category Pickups
Created 2019-05-07
Owner yanghuim 
Title The technical development direction of Precision BT-150HG PCD tool grinder
Description Aiming at the problems of poor overall rigidity of the domestic production type Precision BT-150HG PCD tool grinder, high price of CNC machine tools in foreign countries and the inability to grind non-standard parts, combined with the high rigidity of the gantry type column machine tool and the movement characteristics of the tool grinding machine, develop a PCD Tool Grinder. The high-precision five-axis linkage CNC tool grinding machine has good overall rigidity, high grinding efficiency, and strong applicability, and can grind various tools and non-standard workpieces. At present, the domestic high-precision five-axis linkage CNC tool grinding machine manufacturer is upgrading the product on the basis of the manual tool grinding machine to realize the numerical control transformation product. The overall rigidity of these CNC tool grinding machines is not high, and generally can only be used in occasions where the grinding amount is not large or the production volume is not large. The newly developed CNC tool grinding machines adopt a single column structure, which is also used in mass production, and also has the disadvantage of poor overall rigidity of the machine tool. The CNC machine tools used in foreign countries are relatively mature. The machine tools have high precision, high speed, and high rigidity. The CNC headstock is also convenient for short rotation of the table. However, this type of machine can only grind standard spiral cutters and ball heads. Tools, it is not possible to grind non-standard parts or tools and parts that require attachment grinding such as tailstock. The Precision BT-150HG PCD tool grinder mainly overcomes many shortcomings such as poor overall rigidity of the existing production tool grinding machine, small grinding head power, low rotation speed, and limited operation space by the column, and focuses on the production type. Its main structure is reflected in: (1) The column adopts an integral gantry structure. (2) The integral gantry column 4 is fixed to the bed base 7 with screws. (3) The grinding head holder 1 moving left and right is connected to the beam 2 which is moved up and down by the guide rail and the screw rod, and the beam 2 is connected to the gantry type column 4 through the double ball screw and the linear slider, and the grinding head slider 1 passes the ball screw And the linear slider is connected with the beam 2, and the high-precision five-axis linkage numerical control tool grinding machine is mounted on the grinding head seat 3 of the grinding head sliding seat 1 through the T-shaped groove, and can be rotated in the vertical plane, and is connected by the bearing, the positioning, and the locking mechanism. The grinding head 10 below the grinding head can be rotated in the horizontal plane. (4) Table 6 is connected to the table slide 8 by a ball screw and a linear slider, and the longitudinal direction of the table is parallel to the direction of movement of the beam 2. (5) The tabletop size is 930 mm × 300 mm, and table 6 is equipped with machine tool accessories such as the CNC headstock 5 and the tailstock 9. (6) The electrical cabinet is installed behind the machine. (7) The CNC system uses the FAGOR or SINUMERIK system.
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