Calibrating tools for CNC machine tools is an important skill in machining. The accuracy of the tool setting determines the machining accuracy of the part, and the efficiency of the calibration tool directly affects the machining efficiency of the part. Tool setting is very important to machine tool processing operations.
The CNC milling machine can perform milling processing of complex-shaped hardware parts. Milling is to fix the blank, and use a high-speed rotating milling cutter to move on the blank to cut out the required shapes and features. Traditional milling is mostly used to mill simple shape features such as contours and grooves. CNC milling machines can process complex shapes and features.
Broaching of aluminum alloy, stainless steel, copper and titanium alloy parts:
Broaching is a highly efficient finishing method. In addition to broaching round holes, it can also broach through holes and internal keyways of various cross-sectional shapes, as shown in Figure 7-19. The achievable dimensional tolerance grade for broaching round holes is IT9~IT7, and the surface roughness value is Ra1.6~0.4μm.
In order to meet the different machining needs of customers, Methods Machine Tool Company provides two models of Nakamura Tome machines equipped with B-axis. The STW-40 machine tool with a standard 40-station automatic tool changer is designed to process large and heavy parts. Such as: castings and forgings, and can process workpieces up to 17 inches in diameter. However, in response to customer needs, Methods Machine Tool Company can now provide a smaller model of B-axis machine tools, namely NTJ (B-axis turret).
Mechanical surface treatment of parts
It mainly includes wire brush roller polishing method and shot peening method. The polishing method is that the brush roller is driven by the motor, and the brush roller rotates at a high speed on the upper and lower surfaces of the strip in the direction opposite to the movement of the rolling piece to remove the oxide scale. The brushed iron oxide scale is washed away with a closed circulating cooling water washing system.
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