The objective of this most recent product development for HSS core drills was to produce a range of core drills optimised for power with greater heat resistance and better protection against wear. The desired results were achieved by an enhanced proportion of cobalt in special steel. Combined with speed-controlled BDS magnetic core drilling machines, these core drills are adapted for high loads in … Continue reading What are the advantages of HSS Cobalt annular cutters?
This video will guide you on how to professionally use annular cutters. This videos also guide on how to use a magnetic drill press? Continue reading How to use annular cutters?
The ejector pin or also called as pilot pin has 3 major functions: Centring: The ejector pin is exactly positioned to the centre punch mark. Switch the magnet on and the machine and tool are in the drilling position. Oiling: By means of the automatic internal lubrication, cutting oil is supplied via the ejector pin … Continue reading What is the advantage of an ejector pin of annular cutter?
It is the same as we calculate the RPM for magnetic drilling machine. The magnetic drilling machines are provided with speed gears and some machines are also equipped with variable speed control. As per the diameter of the annular cutter and the type of annular cutter the speed of the magnetic drilling machine has to be set. The … Continue reading How to calculate the speed for an annular cutter?
How to use annular cutters? Selecting the correct annular cutter as per the material to be drilled results in more holes per cutter, better finish and longer service life of cutter as well as machine. BDS has in its product range High Speed Steel (HSS) annular cutters as well as Tungsten Carbide Tipped (TCT) annular … Continue reading How to select annular cutter?
INSTRUCTIONS TO USE ANNULAR CUTTERS The fast and easy method to drill holes in metal, is with the help of Annular cutters, also called as broach cutters, core drills, etc. Following pictogram images will show you how one can use annular cutters like a professional. Carefully practicing the following method of drilling will help you … Continue reading How to use annular cutters?
DRILLING HOLES ON PIPES Drilling on tubes and pipes is always a big task, but now with the modern magnetic drilling machines and the tube clamps, drilling on tubes and pipe is easy and fast. The following article shows the method of drilling holes on pipes or drilling holes on tubes. Drilling pipes requires 3 … Continue reading Tube drilling with magnetic base drilling machines
Twist Drilling vs. Annular Cutting by Tom Carroll, CS Unitec. Portable drilling in applications such as construction, steel fabrication and more poses many challenges – the method of hole creation is just one of them. Understanding the difference between twist drilling and annular cutting, and the equipment, power and time required, will have you efficiently … Continue reading Twist Drilling vs. Annular Cutting