Taichung, Taiwan・30+ Years in Precision Machining

Precision Honing
Accuracy is the standard we work to

Located in Taiping District, Taichung, Shang Wen Enterprise has provided precision honing and bore restoration for more than 30 years. With imported Sunnen honing machines, we restore bore accuracy for spindle heads, hydraulic cylinders, cylinder liners, and other precision components.

Milling Spindle Heads・Grinder Tailstocks・CNC Lathe Tailstocks

Restore Spindle Accuracy
Bring critical machine geometry back in line

Worn spindle bores and poor concentricity can quickly reduce machining accuracy. Our honing experience helps restore bore geometry and reduce costly downtime.

Imported Sunnen Professional Honing Machines

Three Decades of Know-How
Every bore is checked with discipline

Sunnen honing equipment provides stable, repeatable accuracy, helping each finished component meet the requested tolerance range.

Taiping, Taichung・Local Service・Fast Turnaround

Your Precision Parts
Our 30+ years of honing experience

Hydraulic cylinders, cylinder liners, fourth-axis tailstocks, and other precision components are welcome for evaluation. Mr. Chou handles inquiries directly.

30+ Years Precision honing experience
6 Services Core honing applications
Sunnen Imported professional honing machines

Precision Honing Services

Honing restores bore roundness, cylindricity, dimensional accuracy, and surface finish for precision machine components across many brands and equipment types.

  • Milling Spindle Head Honing

    Worn spindle bores can cause concentricity drift and lower machining accuracy. Honing restores bore roundness and dimensional accuracy, helping extend machine service life.

  • Cylindrical Grinder Tailstock Honing

    Tailstock sleeve wear can create center runout and affect workpiece roundness. Honing restores the bore to the required size and improves center alignment.

  • CNC Lathe Tailstock Honing

    Worn CNC lathe tailstock bores reduce clamping accuracy and coaxial alignment. Honing refines the bore and restores tailstock positioning accuracy across many machine brands.

  • Hydraulic Cylinder Honing

    Scratches, wear, and ovality inside hydraulic cylinders can cause seal leakage and pressure loss. Honing restores cylindricity and surface finish to improve sealing performance.

  • Fourth-Axis Tailstock Honing

    Wear in fourth-axis tailstock bores affects rotational concentricity and indexing accuracy. Honing restores bore geometry and positioning reliability for CNC machining centers.

  • Cylinder Liner Honing

    Worn cylinder liners increase piston clearance and may reduce compression. Honing creates a controlled crosshatch pattern that improves oil retention and helps restore engine performance.

Why Choose Shang Wen Enterprise

Taiping District, Taichung・Imported Sunnen honing machines・Spindle heads・Hydraulic cylinders・Cylinder liners・Tailstocks

Shang Wen Enterprise, also known as Shang Wen Industrial Co., is located in Taiping District, Taichung. The company has focused on precision honing and bore restoration for more than 30 years. Honing is a precision abrasive process for internal bores that can restore roundness, cylindricity, and dimensional accuracy. Using imported Sunnen honing machines, Shang Wen serves machinery manufacturers, precision machining shops, and equipment repair providers across central Taiwan.

30+ Years of Honing Experience

Decades of practical honing work help us quickly evaluate wear causes and recommend suitable machining options. Many parts can be assessed promptly to reduce downtime.

Imported Sunnen Honing Machines

Sunnen professional honing equipment provides stable accuracy and repeatable results, helping finished parts meet the required tolerance range.

Fast Turnaround・Local Service

Based in Taiping, Taichung, we understand the cost of downtime and aim to complete repair-oriented honing work as efficiently as possible.

Multiple Brands and Part Types

Precision parts from many brands and machine types can be evaluated, including milling machines, grinders, lathes, machining centers, and engine components.

Precision Honing FAQ

Key answers about honing, bore restoration, and industrial applications to help customers evaluate whether a component is suitable for honing.

What is honing?

Honing is a precision abrasive machining process for internal bore surfaces. A honing stone rotates and reciprocates inside the bore to correct size, roundness, cylindricity, concentricity, and surface finish. It is commonly used to restore spindle heads, tailstocks, hydraulic cylinders, and cylinder liners.

Which upstream and downstream industries use honing?

Upstream honing demand often comes from precision machinery manufacturing, machine component machining, casting and forging, hydraulic component manufacturing, and engine or vehicle component production. Downstream applications include machine tool repair, CNC machining, mold manufacturing, automation equipment, hydraulic systems, vehicle repair, agricultural machinery, and industrial equipment maintenance.

Which parts are suitable for precision honing?

Precision parts with worn bores, out-of-round holes, reduced concentricity, or scratched internal surfaces can be evaluated for honing. Common examples include milling spindle heads, cylindrical grinder tailstocks, CNC lathe tailstocks, fourth-axis tailstocks, hydraulic cylinders, cylinder liners, and machine sleeves.

How is honing different from internal grinding?

Both honing and internal grinding can improve bore accuracy, but they use different processes. Internal grinding typically uses a grinding wheel to machine the bore, while honing uses stones that conform to the bore wall for fine correction. Honing is especially useful for roundness improvement, controlled surface texture, oil-retention patterns, and restoration of worn or previously machined parts.

What information should be provided before a honing job?

Useful information includes the part application, bore diameter, bore depth, tolerance requirements, material, wear condition, and mating components. If a complete drawing is not available, customers may bring the part for on-site evaluation; Shang Wen Enterprise will recommend a suitable process based on bore condition, stock removal, and accuracy requirements.

Is precision honing available in Taichung, Taiwan?

Yes. Shang Wen Enterprise is located in Taiping District, Taichung, and has specialized in precision honing and bore restoration for more than 30 years. Using imported Sunnen honing machines, the company serves machining shops, equipment repair providers, and precision component manufacturers in Taichung and central Taiwan.

Contact Shang Wen Enterprise

Precision honing and bore restoration in Taiping District, Taichung. Inquiries are handled directly by Mr. Chou.

Contact Mr. Chou
Mobile 0988-228-539
Phone 04-2279-9899
Fax 04-2275-4171
Website 搪磨.com

Shang Wen Enterprise — Map Location