What is a Turret Lathe?

Hexagon lathe is a machine tool developed on the basis of ordinary lathes. After removing the screw and tailstock of ordinary lathes, a multi-station tool post that can be moved longitudinally is installed here, and corresponding changes are made to the transmission and structure. Made of hexagon lathe.

In addition to the front turret, there is also a turret turret. The turret hexagonal lathe uses a hexagonal rotating turret to replace the tailstock of an ordinary lathe. For different tools, when one tool is cut, the turret rotates one tool for cutting, and then the processing is completed. The tool holder can be equipped with six different tools, which can save the time of general lathes to change tools and is suitable for mass production. It is customarily divided into large hexagon and small hexagon according to size.

The shape of the rotary hex lathe is similar to that of the turret hex lathe, but there is no front turret in the rotary hex lathe, and the turret turret of the turret hex lathe is replaced with a rotary turret. The axis line of the return tool post is arranged horizontally, which is parallel to the center line of the main axis. There are many holes for mounting cutters on the end face of the return tool post, usually there are 12 or 16 holes. When the tool hole is turned to the uppermost position, it is exactly concentric with the center of the spindle.

Compared with ordinary lathes, hexagonal lathes have the features of multiple tools, multiple cutting edges, and automatic indexing of tools, eliminating the need for tool changes, measuring dimensions, and trial cutting of workpieces. At the same time, it is also easy to automate the clamping of workpieces, thereby enabling the completion of complex parts Batch production, higher efficiency.

Hexagon lathes make up for the shortcomings of fewer tools on ordinary lathes, so they are easy and fast to operate, save auxiliary time, and have high production efficiency for mass production.

In the 19th century, special lathes were the development of special lathes. In order to improve the degree of mechanization and automation, various special lathes were born. In 1845, Fitch in the United States invented the turret lathe; in 1848, the United States appeared back lathes. From the end of the 19th century to the middle of the 20th century, hexagonal lathes were produced on a large scale, and they were widely used in the mass production of wars during World War II. ^[4]

1. Turret type hexagonal lathe: C3163, C365L (1K36), C3180, C385L (1K7), CQ31125, C3116, C3118 (1318).

2. Hexagonal turning lathe: C336, C336-1 (1336M), C336K-1, C336K (1336P), C350LF (R5), R40.

3. Combined turret lathe: CB3450.

4. Program-controlled turret lathe: CZ3232, CB3463, CB3463-1.

I. Conscientiously implement the relevant provisions of the General Operating Rules for Metal Cutting Machine Tools. ^[5]

2. Carry out the following general regulations on hexagon lathes carefully:

1. When aligning the workpiece, only use the hand plate to move the chuck or open at the lowest speed to align. Do not open at high speed to align.

2. When changing the rotation direction of the spindle, stop the spindle first, and do not change the rotation direction suddenly.

3. When loading and unloading the chuck, only the manual rotation of the V-belt is required to drive the spindle to revolve. It is absolutely forbidden to directly start the machine tool to force loosen or tighten. At the same time, planks should be placed on the bed to prevent accidents.

4. The tool installation should not extend too long. The gasket should be flat and the width should be the same as the width of the bottom surface of the tool.

5. It is not allowed to drive the car in reverse to stop the spindle from turning.

3. Carry out the following special regulations concerning hexagonal lathes carefully:

(A), back wheel type lathe:

1. It is not allowed to process curved and rough surface bar.

2. When loading the material, the material head must be aligned with the chuck hole, and it should be struck gently to prevent random knocking.

(2) Program-controlled transfer lathe:

According to the process requirements, pre-selection of the spindle speed, tool feed, tool trajectory and continuous offside of the step program. Put the electric knob in the "adjustment" position for the test run. After confirming that there are no problems, put the electric knob in the automatic or semi-automatic position to work.