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.
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.
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 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 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 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.
Universal Tool and Cutter Grinder, Drill Bit Grinder, End Mill Grinder, Universal Graver Grinder, Screw Tap Grinder, Punch Tool Grinder, Slitting Cutter Grinder, Helix (flutes) Grinder, Straight Knife Grinder, More Grinders
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.
We have been focusing on the R&D of grinding machine over 12 years of experience, and designed more than 5000 grinders.
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.
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.
The global network provides clients with one-stop drill grinding solutions; good service wins a good business future.
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!
What reason is aperture slant small when twist drill is drilling? If the drill hole is not round, it is probably because the bit edge belt has been seriously worn down. In this case, all you have to do is to change the drill bit or to polish the drill bit. What reason is the […]
The drill bit is semi-closed cutting, and the heat of drilling is difficult to spread outward, so it is easier to form a high cutting temperature. Therefore, the main cause of bit wear is thermal wear, for high-speed steel bit, mainly phase change wear. In addition, there are contact fatigue, excessive deformation, edge breaking, brittle […]
Drilling methods: Before drilling, the workpiece plane should be leveled. No convex platform is allowed in the center to facilitate the correct centering of the twist drill. Align the tailstock so that the center of the twist drill is aligned with the axis of rotation of the workpiece. Otherwise, the diameter of the hole may […]
Selection of Cutting Fluid in Drilling Material for twist drills Material to be drilled low carbon steel medium-carbon steel hardened steel High Speed Steel Twist Drill Use 1%~2% low concentration emulsifier, electrolyte aqueous solution or mineral oil Use 3%~5% medium concentration emulsifier or extreme pressure cutting oil Use extreme pressure cutting oil Cemented carbide […]
