Universal Tool Grinder

The motor could be rotated in 360°, increasing the grinding range. With variety of option attachments (such as 50B, 50C, 50D, 50E, 50K, 50H, 50S, etc.) could be provided for different purposes, grinding fast with high accuracy.

Universal Cutter Grinder

This is a smart universal cutter grinder; mainly used for Drills, Step drills, NC Drills, Screw Taps, Counter Sink Drills, End Mill Lips, Round Bars, and Gravers. Its main advantage is the sharpening graver.

Drill Bit Grinder

The portable electric drill bit grinder is a most popular grinder by our clients, with advantages such as convenient design, easy to operate, economical price, grinding fast and high accuracy, and low maintenance.

End Mill Grinder

End Mill Grinder can be used for grinding end mill and ball end mill, which grinding 2-flute, 3-fulte, 4-fulte end mills are available, two types of grinding wheel for choice: SDC and CBN.

Screw Tap Grinder

Screw tap grinder can be used to sharpen front angle freely, with Taiwan diamond wheel that keeps accurate angle after grinding and long service life, simple to set up, easy to operate.

Lathe Tool Grinder

Lathe Tool Grinder can be sharpened lathe tungsten carbide/HSS cutter, CNC lathe carbide turning insert, and etc. High precision and simple operation is an ideal machine for replacing traditional grinding by hand.

WHAT WE OFFER

TOP 6 REASONS TO CHOOSE OUR PRODUCTS

1

The ‘Grinder’ brand is the sub-brand of PURROS Machinery Co., Ltd., which is deeply trusted by clients, and it is known around the world in grinder industry.

2

We have been focusing on the R&D of grinding machine over 12 years of experience, and designed more than 5000 grinders.

3

More than 1200 clients have been served worldwide by our company, solved the key problems for our clients that grinding must be a highly skilled, and low accuracy by hand.

4

Over 50 distributors worldwide, mutual benefit and win-win result is the business principle we insist on, shared values brought us together, and deeply rooted in the grinding industry.

5

The global network provides clients with one-stop drill grinding solutions; good service wins a good business future.

6

PURROS’s sense of worth: Make the grinding work easy, and to become a global leader in the grinder industry. Work together to create the future!

Clamping method of workpiece in drilling

In order to ensure the quality and safety of drilling, different clamping methods should be adopted according to different shapes of workpieces and cutting forces. (1) The workpiece with a flat shape can be clamped with a flat-jaw clamp, as shown in Figure (a). (2) For cylindrical workpieces, V-shaped iron can be used for clamping, […]

How to select the material of drill bit?

According to the machining characteristics of the material, the drill bit is required to have the following characteristics: the hardness of the drill bit must be greater than the hardness of the workpiece to be processed. Because the bit bears a lot of torsion and axial force when machining the workpiece, it must have enough […]

Merry Christmas and happy New Year

Dear customer, It seems that Christmas time is here once again, and it is time again to bring in the New Year. We wish you A Very Happy and Joyful Christmas filled with joy and love. And hope we can develop our business and friendship further!

Nowadays, more than 70% of cutting tools used in machining are coated

The improvement of tool performance is directly related to tool coating and geometric parameters. From the cutting tools used in today’s machining, more than 70% of the cutting tools are coated. The application of tool coating not only plays a protective role on the tool, but also effectively promotes the improvement of tool matrix material […]

Cart