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Classification and working principle of honing machine
According to the different types of shaft, it can be divided into horizontal shaft grinding machine and vertical shaft grinding machine. Such as vertical shaft round table surface grinding machine, horizontal rectangular table surface grinding machine; a grinding machine for honing the surface of the workpiece with a honing head. Mainly can be used in China's automobiles, tractors, hydraulic parts, bearings, aviation and other traditional manufacturing industry in the hole honing workpiece. There are two types of high-precision honing machines: vertical honing machines and horizontal honing machines.
According to the different types of shaft, it can be divided into horizontal shaft grinding machine and vertical shaft grinding machine. Such as vertical shaft round table surface grinding machine, horizontal rectangular table surface grinding machine; a grinding machine for honing the surface of the workpiece with a honing head. Mainly can be used in China's automobiles, tractors, hydraulic parts, bearings, aviation and other traditional manufacturing industry in the hole honing workpiece. There are two types of high-precision honing machines: vertical honing machines and horizontal honing machines.
Vertical honing machine spindle staff travel time is short, suitable for honing cylinder and box hole. The oilstone-lined honing head is rotated by a vertically positioned spindle, and the vertical reciprocating feed is driven by a hydraulic device (see machine tool). The horizontal honing machine has a long working stroke and is suitable for honing deep holes with a depth of up to 3000mm. The honing head arranged horizontally does not rotate, but only axially reciprocates. The workpiece is driven to rotate by the main shaft. The central frame supporting the workpiece and the guide frame supporting the honing rod are arranged in the middle of the honing aluminum tube supply bed. During the machining process, the grinding knife of the honing head is fed radially under the action of the expansion and contraction mechanism, and the workpiece is gradually processed into the required size. The new honing machine adopts hydraulic expansion and contraction honing head. Honing machine is mostly semi-automatic, often with automatic measuring device, can also be classified as automatic consumption line work. In addition to the honing machine for processing holes, there are external honing machines for processing other surfaces, honing aluminum tube supply bearing raceway honing machines, flat honing machines and curved surface honing machines, etc.
There are generally two ways of expansion and contraction of honing heads: 1. constant pressure feed and 2. quantitative feed. Constant pressure feed is usually achieved by hydraulic pressure, but also by spring. Quantitative feed is usually achieved by a servo motor, stepper motor or some other intermittent mechanism, and manual feed can also be counted as quantitative feed. What you said may belong to hydraulic constant pressure feed. The honing head cannot shrink. It may be that the cylinder expands and does not move. Try to increase the pressure of the hydraulic system. Or the honing head is stuck, remove it and check it. In addition, the honing machine you use is modified and the structure may be different. Look at the instructions and analyze the principles and structures.
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