The origin of the Citizen machine tool A20 centering machine we bought from Changzhou Jintie Precision Machinery has been lost. How to solve the machine tool problem?

In fact, the two cannot be compared to see who is better and who is worse. Turret lathes are generally used to process parts such as castings and disk parts, while center lathes are generally used to process small parts such as bars. The batches are large, and many of them are molded parts in one go. As long as it involves bar processing and the diameter (not exceeding 32) is not too large, the centering lathe has a great advantage when combined with a feeder (because the centering lathe must be equipped with a feeder for processing), so it is a small An independent production line has advantages in terms of processing speed and labor cost. The main difference is: the material of the core machine is moving, while the knife of the cutting machine is moving. The old name of the core machine in China should be the slitting lathe. Mainly used for holding small parts and processing in large quantities. Generally, the feeder passes the bar through the spindle through hole, and the chuck automatically clamps it. If the part has a long overhang, it needs to be equipped with a center. If the tail needs to be processed, a second spindle is required. If you also need to process four or six drilled holes, a powered tool holder and spindle indexing are required. The centering machine is mainly limited by the diameter of the material. Generally, the largest type of centering lathe can only process parts with a diameter of 20 mm. I have only seen in the literature (Hanwha) a centering lathe that can process parts with a diameter of 32 mm. As long as it is a part that can be processed by a cutting machine, its processing accuracy and processing speed cannot be compared with that of a cutting machine! The main advantages are as follows: 1: The spindle can turn parts with a length of more than 200mm in one clamping operation. If you are turning a part with a length of 5mm, you can turn it with both cutting and centering operations, but you can turn 20~ It takes 30 parts to stop and feed 2: When cutting, the center lathe is always fixed at the closest position to the material, so the rigidity is very good. If you think about it, after your lathe clamps the part, the tool will stick to the clamping position for a few mm. When it comes to turning, how much better will the rigidity be? 3: The cutting machines are all integrated with turning and milling, and the complexity of one-time processing and molding is not comparable to the old-fashioned automatic lathes of the cutting machines. We are commonly known as cam machine lathes. Nowadays, the more advanced CNC automatic lathes are called center lathes or slitting lathes. Mainly, the main axis Z moves forward and backward, and the knife can move X and Y, which can realize three-dimensional processing and one-time molding. Of course, different accessories such as sub-spindles can be installed according to different parts. The most popular lathes sold in China now are Japanese center lathes; 1. The brands include Citizen, Tsugami, STAR, and Nomura; 2. Hanwha is the most famous in Korea. 3. In the field of orthopedic nails, Swiss Tenas is the best and most expensive. 4. There are many Taiwanese brands and they are mixed. 5. Domestically, there are Ningjiang, Xi'an Beicun (former partnership with Nomura), Dalian Dali (Dalian Machine Tool), and many lower-end ones produced in Zhejiang.