Product
A centre is a small part with a large influence on concentricity. Plain and carbide-tipped dead centres and pipe centres, ground on the taper and the point that do the work.
Best for
Work supported between centres in turning, grinding and inspection
You send
Taper size, point or pipe geometry, load and accuracy needed
You get back
Centres with ground taper and point, runout checked
How it starts
Point geometry matched to your centre hole
The situation
Centres wear quietly, and the taper they sit in wears with them.
What you get
Centres for supporting and aligning work between centres on lathes, grinders and benches.
The machine interface, tool interface and working envelope are checked before manufacture, so centres arrive ready to run.
Supplied from range where a standard suits the job, made to order where it does not, or reproduced from your sample where the original is unavailable.
Locating and clamping features are ground and the dimensions governing runout and repeatability are inspected before dispatch.
Repeat orders and modifications are handled in Bengaluru rather than through an import cycle.
Dead centres support the workpiece on its centre hole without rotating; carbide-tipped versions resist wear at higher speeds. Pipe centres carry a large conical nose to support tubes and bored parts. CMTA manufactures dead centres, live centres and pipe centres as part of its accessory range.
Morse taper shanks in common sizes, plain and carbide-tipped points, half centres for facing, and pipe centres across a range of nose diameters. Verified table to follow.
Match the tailstock or spindle taper, choose the point geometry from the centre hole and the operation, and specify carbide tipping where speed and wear justify it.
Hardened steel with ground taper and point; carbide tips ground after brazing; runout checked between taper and point.
Before you enquire
The inputs that make a useful review, plus the related pages worth reading first.
FAQ
The questions engineers and buyers ask before sending a drawing. If yours is not here, ask it directly — you will get an engineer's answer, not a brochure.
Still have a question?
Talk to Anita M.N, Managing Partner, or send the drawing and let the review answer it.
Taper size (Morse or other), Point or pipe geometry and angle, Load and workpiece weight, Workpiece and application, Accuracy required. If you are unsure of any of these, send a photograph of the current holder and the machine nameplate — that is usually enough for us to confirm the rest.
Yes. Variations in length, reach, interface, clamping or tool size are manufactured to order. Fully custom variants go through the custom tool holder process, with a drawing approved by you before manufacture.
Against three things: the machine interface, the tool interface and the working envelope. Where an existing item is being replaced, matching it to your sample or original part number is the most reliable route of all.
Yes. A drawing is manufactured to its stated tolerances; a sample is measured and reverse engineered into a drawing for your approval, and then manufactured.
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