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!

Effect of Grinding Quality of Twist Drill on Machining

The grinding quality of twist drill directly affects its drilling quality. So the grinding of twist drill is very important. There are two kinds of grinding conditions for twist drills: 1) correct grinding and 2) incorrect grinding. The impact of these two conditions on workpiece processing is described below. 1. Correct grinding Drilling condition: When […]

How to choose the right geometric Angle of graphite tool?

Choosing the right geometric angle of the graphite tool can help to reduce the vibration of the tool. In turn, the graphite workpiece is not easy to collapse. (1) Land Angle When the negative land angle is used to process graphite, the blade strength is good, the impact resistance and the friction resistance are good. […]

Application of coating technology

In the case of constant cutting parameters, in order to improve production efficiency and reduce production costs, the tool coating technology to reduce tool wear, and in order to improve tool durability has become a trend. Tool coating refers to coating a thin layer of refractory metals or non-metallic compounds with good wear resistance on […]

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, […]

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