The chuck of a lathe (machine tool) must have a stable grip strength to achieve high-precision products and parts machining. Here, along with the video, we will explain about the "grease-up" that is directly linked to maintaining the grip strength of the chuck and improving its life.

Why is “grease-up” so important?

▲Disassemble the chuck and grease it up. (For daily grease-up, grease up from the grease nipple on the chuck)

There are three main purposes for the grease-up.

1. Stabilization of machining accuracy and prevention of workpiece scattering during machining by maintaining the specified grip strength
2. Prevention and reduction of wear of internal parts
3. Improvement of chuck life (reduction in chuck purchase frequency and cost)



If the grip strength of the chuck is weakened and the workpiece is scattered during machining, there is a risk of damage to the machine and the chuck itself, thereby incurring a large cost for repair or purchase. By performing the grease-up, the risk of workpiece scattering can be reduced and also the chuck life can be extended. As a result, costs can be kept down in the long run.

KITAGAWA's "CHUCK GREASE PRO" is the best choice for the grease-up

▲The chuck's grip strength cannot be maximized when no replenishment or general grease is used.

▲ There is a clear difference in grasp strength before and after the grease-up.

To maximize the grip strength of the chuck, we recommend the CHUCK GREASE PRO that we have developed.

▲CHACK GREASE PRO

Just 5 minutes a day! Make daily grease-up a habit

In the case of standard chucks, the highly important grease-up work needs to be performed frequently (generally once a day). However, many customers seem to feel it is troublesome due to their busy work schedule. The reality is that there are many sites where grease-up is not performed for a long time.It is understandable that the grease-up can be a hassle, but chuck accidents are a big risk.

One grease-up can be done in just 5 minutes. The grease-up can be done at the same time every day, such as before the start of work (before machine operation) or after the end of work, so that it can gradually become a habit. It is our wish that by doing the grease-up, the true performance of the chuck will be fully realized and it can be used with peace of mind for a long time.

Akihiro Iwata
Engineering Advisor

2011 : Joined Kitagawa Corporation
　　　 Worked in Engineering Department
2019 : Assigned to Thailand
　　　 Responsible for design work at Kitagawa (Thailand) Bangkok Branch

If you are interested in Kitagawa (Thailand)'s machine tools (chucks, NC rotary tables, robot hands, etc.) and special greases, please contact us using the inquiry form.