Mandrel Single Pass Honing Tools With Integral Electroplate Sleeve

This single pass honing tool can be processed into a through hole, a semi-blind hole, a keyway hole, a keyway hole and etc, and been application in engine fuel injection pump, connecting rod, fork, hydraulic valve body, valve sleeve, air bearing, confidential gear, mold guide sleeve,air conditioning compressor main and auxiliary bearings, pistons, metering ring gauges and other high-precision internal hole processing requirements.

The single stroke honing tool works for finishing bores at a minimum of Φ2mm, and is all equipped with thrust pads. In addition, depending on honing and finishing processes, this bore finishing tool come in four types: vertical honing tool, horizontal honing tool, vertical cylinder honing tool, and horizontal cylinder honing tool. Specific product descriptions are as follows.

Photo of mandrel

workpiece information:

Final size after honing :- 11.985 -0.005 mm

Surface finish after honing :- Ra 0.6 Max

Roundness :- 3 to 5 micron

Bore length :- 40 mm

Bore type :- Through hole.

Input bore dia for honing :- 11.912-11.92 mm

Material of the parts :- 20Mncr

Hardness before honing :- 60±2 HRC

Case depth :- 0.8 mm

Machine type :- Vertical 6 Spindle

recominmder tool:

mandrel: DDJHG-6/12-75/75

sleeve: P1-12-60#

P2-12-120#

P3-12-180#

P4-12-280#

P5-12-320#

P6-12-400#

Usage:

Our packaging:

Zhengzhou Hongtuo Superabrasive Tools Co.,Ltd was founded in 1997.It is a high-tech company engaged in R&D,production,sale and service of superabrasive tools.The company has 350 employees,over 300 sets of manufacturing and testing equipments.With 2 advanced metal bonded honing stones and vitrified bonded diamond&CBN grinding wheels production lines,which can produce750 000 pieces honing stones and 4 000 pieces grinding wheels annually.The company has been granted the ISO9001:2000 certificate in 2000.In the same year,it has been obtained the certificate of “high-new technology company”and “high-new technology products”granted by Science&Technology Division of Henan province.

Our products are widely used in the such industries as:automobile parts,motor parts,refrigeration compressor,aviation,hydraulics,sewing-machine parts and bearings.In respect of product quality,development and production capacity,the company is a leading manufacturer in the industry.it can meet all kinds of requirement.At present,a great parts of our proucts are sold to countries and regions as Europe,Japan,Taiwan and South-East Asian countries.

Our customer