The M1332 external cylindrical grinding machine is suitable for grinding rotary parts with a diameter smaller than 320mm, such as cylinders or cones.
The wheel frame adopts an integral structure to increase rigidity; the design of the wheel spindle system ensures sufficient strength and rigidity for grinding precision, meeting the requirements for high-efficiency grinding. The wheel frame spindle bearings adopt two sets of sliding bearings, each set consisting of four tile shafts. They feature high rotational accuracy, large rigidity, good shock resistance, and suitability for heavy-duty cutting. The lubricating oil for the spindle bearings is directly supplied from the oil pool, providing automatic lubrication protection and easy maintenance, ensuring the high precision, high rigidity, high load-bearing capacity, and high reliability of the wheel spindle.
The lateral movement of the wheel frame has hydraulic rapid advance and retreat, manual micro-feed, and automatic cycle feed functions for the grinding wheel.
The headstock top adopts Morse 5#, and the tailstock top adopts Morse 4#, significantly improving the rigidity of workpiece support. The maximum workpiece weight can reach 150kg.
The worktable consists of upper and lower worktables used for adjusting the taper of workpieces, firmly positioned with the aid of positioning columns and end pressure plates. When the upper worktable needs to be rotated at an angle, the angle rotated by the upper worktable is read from the scale. For fine adjustment, a dial gauge device can be used; the worktable guide rails adopt a “flat-V” sliding guide rail, with the lower worktable guide rail surface covered with plastic and the guide rail surface manually scraped with deep knife marks. The longitudinal movement of the machine tool worktable can be achieved by hydraulic stepless transmission or manual handwheel transmission, with lubrication in the form of a small hole throttling discharge.
The various moving parts of the machine tool are equipped with electrical, hydraulic, and mechanical interlocking mechanisms, and the rapid advance and retreat are controlled by independent handles, improving the safety and convenience of machine tool operation.
| 项目内容 | Item Contents | M1332x1000 | M1332x1500 |
|---|---|---|---|
| 工作台上最大回转直径（mm） | Max.grinding diameter on table | Φ360 | Φ360 |
| 两顶尖最大距离（mm） | Max. distance between two centers | 1000 | 1500 |
| 卡盘夹持承载重量（Kg） | Max.chuck load | 40 | 40 |
| 顶尖间最大承载重量（Kg） | Max.load between two centers | 130 | |
| 外圆磨削范围（mm） | Max. external grinding diameter and length | (Φ8-Φ320)x1000 | (Φ8-Φ320)x1500 |
| 头架顶尖孔（Morse） | Spindle taper of headstock | MT.5 | |
| 尾架顶尖孔（Morse） | Spindle taper of tailstock | MT.5 | |
| 外圆砂轮尺寸（外径 x 宽 x 内孔）（mm） | External grinding wheel size | Φ400x40xΦ203 | |
| 砂轮架进给手轮每转进给量（mm） | Per rev. feeding value of grinding wheel | Coarse 2 | Fine 0.5 |
| 砂轮架进给手轮每格进给量（mm） | Per grad. feeding value of grinding wheel | Coarse 0.01 | Fine 0.0025 |
| 砂轮主轴电机（KW） | Motor of grinding wheel spindle | 5.5 | |
| 主轴转速（r/min） | Spindle speed | 1440 | |
| 头架主轴电机（KW） | Motor of headstock grinding spindle | 0.75 | |
| 头架转速（r/min） | Motor speed of headstock grinding spindle | 0-320 | |
| 砂轮架回转角（°） | Turning angle of grinding wheel | 30 | |
| 工作台回转角（°） | Turning angle of worktable | -3、+9、+7、+6 | |
| 总电源功率（KW） | Total drive capacity | 9 | |
| 圆度（mm） | Roundness | external cylindrical 0.003 | |
| 柱度（mm） | Cylindricity | external cylindrical 0.0055 | |
| 表面粗糙度（um） | Surface roughness | external cylindrical Ra ≤ 0.16 | |
| 机床净重（Kg） | Net weight/Gross weight | 3300 | 3800 |
| 机床尺寸（长 x 宽 x 高）（mm） | Packing dimension | 3200x1800x1420 | 4200X1800X1420 |
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