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Centerless Grinding Wheels for Shock Absorbers
Centerless Grinding - Shock Absorber
Centerless Grinding - Shock Absorber

Centerless Grinding – Shock Absorber

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Centerless grinding for shock absorbers is an application that presents some of the most daunting challenges for abrasive manufacturers. The range of requirements and priorities varies from product to product, calling for an equally wide range of solutions. Since, in most centerless grinding applications, more than one wheel is mounted on the spindle, extremely tight tolerances must be maintained in wheel geometry and density to ensure uniform wear patterns, even when each wheel in the set is different. CUMI has the expertise when it comes to centerless applications thanks to the advanced manufacturing process, premium abrasive grains, and specially designed vitrified, resin, and rubber bond systems to suit the application needs. Customized solu­tions are provided for every application and specific requirement. Be it through-feed, end-feed, or in-feed, CUMI wheels ensure that components are finished to stringent quality requirements.
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Brand: CUMI

Information Material:

Product Catalogue
Type Operation Speed Good Better Best
Inner Tube / Fork Pipe Rough 35 A80 N7 B310 DA603 N7 B99 55A603 N7 B99

55A603 J7 B600
50 A80 N7 B310/50

A220 L RT1 		DA603 N7 B99/50 55A603 N7 B99/50

55A603 J7 B600/50
Semi Finish 35 A220 L RT1/50 DA220 L RT1 65A220 L RT1
50 - DA220 L RT1/50 65A220 L RT1/50
Finish 35 - - DA4002/A5005 H7

RBCZ/50
50
Piston Rod Rough 35 A60 K5 V10C A801 N7 B99 55A603 N7 B99

55A603 J7 B600
50 - DA603 N7 B99/50 55A603 N7 B99/50

55A603 J7 B600/50
Semi Finish 35 - A220 L RT1 65A220 L RT1
50 - A220 L RT1/50 65A220 L RT1/50

DA120/DA240/A400 H7

RBCZ/50
Finish 35 - - AA 400/A500 G5 RBCZ

DA400 H7 RBCZ/50

A500 H7 RBCZ/50
50
CUMI Code Grit Range Diameter Thickness Hardness Structure Speed
(mm) (Inch) (mm) (Inch) (mps)
CUMISA 46 - 120 350 - 610 14 - 24 100 - 250 4 - 10 I - N 6 & 8 35, 50 & 63
50A / 50MA 46 - 120 I - N 7 35 & 50
65A 80 - 220 L - 40
SA 46 - 120 I - N 5 - 7 35 & 50
9A 46 - 120 I - P 5 - 7 35 & 50
SBA 46 - 120 I - P 5 - 7 35 & 50
AA 46 - 120 I - P 5 - 7 35 & 50
DA 46 - 120 100 - 300 4 - 12 I - P 5 - 7 35 & 50
A 46 - 120 I - P 5 - 7 35 & 50
C 46 - 120 I - N 5 - 7 35 & 50
GC 46 - 120 I - N 5 - 7 35 & 50

Product Uses

Industries
Auto/Auto Ancillary
Product Description

Centerless Grinding Wheels for Automotive Shock Absorber Components

Centerless grinding of shock absorber rods requires a clean surface finish, precise diameter control, and a wheel that can maintain uniform wear across multiple wheels running on a single spindle. CUMI centerless wheels deliver consistent performance in mass-production automotive lines by ensuring thermal-safe stock removal, extended wheel life, and stable form-holding even under high feed rates and long cycle times.

Features → Advantage → Benefits

  • Precision-engineered centerless grinding wheel geometry → Maintains tight dimensional control → Delivers consistent diameter accuracy on automotive shock absorber components
  • Optimized grain–bond combinations (vitrified / resin / rubber) → Balance cutting efficiency and wheel wear → Ensure stable shock absorber grinding with uniform surface finish
  • High heat-dissipation wheel design → Controls thermal buildup during large contact grinding → Prevents burns and protects metallurgical integrity of steel parts
  • Uniform density and structure control → Ensures even wear across multiple wheels on the spindle → Maintains process consistency in multi-wheel centerless setups
  • Support for through-feed, end-feed, and in-feed grinding → Enables process flexibility → Adapts to different shock absorber component geometries
  • Free-cutting abrasive action → Reduces grinding forces and cycle time → Improves productivity while maintaining tight tolerances
  • Designed for steel shock absorber components → Handles demanding material removal rates → Performs as a reliable grinding wheel for steel in automotive production

Industry: Auto / Auto-Ancillary – Shock absorber component manufacturing / Tier-1 suppliers

FAQs
01.
What is centerless grinding used for in automotive shock absorbers? Centerless grinding is used for shock absorber grinding to achieve precise diameters, uniform surface finish, and consistent dimensional accuracy on steel components.
02.
Why are tight tolerances critical in shock absorber grinding? Automotive shock absorber components require tight tolerances to ensure proper fit, performance, and durability in suspension systems.
03.
What makes CUMI wheels suitable for shock absorber grinding? CUMI centerless grinding wheels are engineered with controlled grain–bond combinations to maintain geometry, manage heat, and deliver consistent results in high-precision applications.
04.
Are these grinding wheels suitable for steel shock absorber components? Yes, these wheels are designed as a best grinding wheel for steel in centerless grinding setups used for automotive shock absorber manufacturing.
05.
Which centerless grinding methods are supported? CUMI wheels support through-feed, end-feed, and in-feed centerless grinding, depending on the shock absorber component and production requirement.

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CUMI, a part of the 124-year-old Murugappa Group, began as an abrasives company in 1954.

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Phone Number

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Email Address

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