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CNC Honing


CNC Honing

Dawopu Group is the specialist provider of honing and super finishing services.

Honing is the process used to finish round bores using abrasive stones to achieve close tolerances, excellent surface finishes & improved geometry. Specialist tubing is often only available in a standard range of sizes & so it is necessary to use honing to produce non-standard sizes & finishes.

CNC Honing.
Available Parameters
Minimum Bore Diameter.
1.5mm 0.059"
Maximum Bore Diameter.
350mm 13.779"
Maximum O.A.L.
3000mm 118.11"
Bore Tolerance under 76.2mm/3".
+/-0.002mm +/-0.00008"
Bore Tolerance over 76.2mm/3".
+/-0.05mm +/-0.002"
Surface Finish (Drilling Only)
0.5μ 2 CLA
Accuracy (Drill Wander / T.I.R.)
0.025mm per 25.4mm 0.001"per 1"drilled
Materials Machined.
All Materials
Shapes Machined.

It can be more cost effective to bore, hone & turn a billet to produce bespoke precision tubing than it is to purchase a standard tube & hone to size.

Examples of Work

Drive Shafts, Rifle Barrels, Valve Blocks,
Con Rods, Nozzles, Accumulators, Engine Blocks, Impellers, Anti-Roll Bars, Compressor Cylinders, Hydraulic Tubing.

Contact Us

Dawopu Group
No168 JianDing Road Hangzhou City
Zhejiang Province 310021 China

Aerospace Parts Inquiries: info@dawopu.com
Business Development Fax to: (86) 571-89967015

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