Sunnen style honing mandrel with super abrasive CH mandrels L8, L10, L12, L16, L20

We do everything possible to meet our customer's requirement in a reliable and timely fashion.From on site service support,customized manufacture of tooling and abrasive to exceed customer's request.

HONING CONDITION SOLUTIONS

Stone not cutting, glazed

• Shapen alumina & silicon carbide stone with MAN-700(small grit size) diamond dressers; use LBN-700 dressing stick on all other stones.
• Increase cutting pressure.
• Increase stroking speed.
• Use softer stone ( one with lower hardness number)
• Increase lubricity of honing fluid.

Slow stock removal

• increase spindle and stroke RPM
• increase cutting pressure
• use softer stone, one with lower stone hardness number
• use coarser grit stone (one with lower grit number)
• increase lubricity of honing fluid.

Poor stone life

• Decrease cutting pressure
• use faster spindle speed
• use harder stone (one with higher hardness number)
• use coarser grit stone ( one with lower grit number)
• increase lubricity of honing fluid.

Finish too rough

• decrease cutting pressure
• use finer grit stone (one with higher grit number)
• check the honing oil.
• through true shoes to exact bore diameter.
• For extremely fine finish in soft or exotic materials, use bronze mandrel or bronze shoes.

We are able to supply abrasives, honing tools for Nagel, Gehring, Sunnen, Nissin, Kadia, Mas, Delapena and many other machines.

Our line of business

• Diamond and CBN Honing Stones, Honing Tools
• Honing tools for cylinder liner & blocks honing;
• Fuel injection parts honing;
• Connecting rod honing;
• Gears honing;
• Engines, hydraulic parts honing

Mandrel Series:

Our detailed mandrel pictures:

If you would like samples of our products for trials and inspection, please call or email us. I know you will be pleased with our response

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