Before the cutting is performed, the workpiece to be machined is fixed in the chuck of the lathe, then all the cutting tools are placed in the corresponding holes of the hexagonal turret. The chucks are rotated by rotating the spindle. When the chuck rotates, the workpiece attached to the chuck will also rotate. By moving the saddle, the hexagonal turret head will move towards the rotating workpiece.
The hexagonal head can be rotated, by which the required tool is oriented towards the workpiece. When the required tool faces the workpiece, the tool contacts the workpiece and performs the required operation. When one tool is used to complete an operation, the other tool moves forward and performs different operations by rotating the hexagonal turret head.
In the manual turret lathe, the required tools are directly used by the operator through the turret, but in the automatic turret lathe, the required tools are not directly used by the operator, after each operation, the head of the turret will return to the initial position, and the tool will automatically index. Viva Differences. The main parts of a capstan and turret lathe include: Bed Headstock Cross slide and saddle The turret saddle and auxiliary slide Capstan Lathe In capstan lathe, the ram slides longitudinally on a saddle positioned and clamped on the bedways.
The turret tool head is mounted over the ram and the ram is mounted on the saddle. The turret head is directly mounted on the saddle and the saddle slides over the bed ways.
Heavy cuts on the workpiece cannot be given because of flexible construction of the machine. Heavy cuts on the work piece can be given because of the rigid construction of machine. Your email address will not be published. Save my name, email, and website in this browser for the next time I comment. Skip to content. Leave a Comment Cancel Reply Your email address will not be published. In capstan lathe, the turret tool head is mounted over the ram and that is mounted over the saddle.
This is a heavy-duty machine and is used for a large type of workpiece. I have explained the differences between them in detail.
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