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Send InquiryCrankshaft Grinding and Repair of MAK/CAT 8CM32C
Price 1649.0 USD ($)/ Unit
MOQ : 1 Unit
Crankshaft Grinding and Repair of MAK/CAT 8CM32C Specification
- Model
- MAK/CAT 8CM32C
- Rotation
- Process as per OEM specification
- Product Type
- Crankshaft Repair Service
- General Use
- Crankshaft Grinding and Repair for MAK/CAT 8CM32C Engine
- Material
- Forged Steel/Alloy Steel Crankshaft
- Type
- Crankshaft Grinding and Repair
- Capacity
- Suitable for MAK/CAT 8CM32C, can be applied to similar crankshafts
- Weight (kg)
- Crankshaft weight approx. 1600-2200 kg for MAK/CAT 8CM32C
- Computerized
- No
- Automatic
- No
- CNC Or Not
- Not CNC
- Control System
- Manual/Mechanical
- Table Size
- Fitted for MAK/CAT 8CM32C crankshaft
- Table Slide Way
- Hardened precision sliding way
- Magnetic Chuck Size
- Custom for Crankshaft diameter (specific on project)
- Grinding Wheel Size
- Custom for crankpin - Suitable for crankpin diameter range
- Grinding Wheel Speed
- Variable as per process, typically 1200-1800 rpm
- Grinding Length
- Up to full length of MAK/CAT 8CM32C crankshaft
- Floor Space
- Depends on grinding machine, approx. 8m x 3m
- Spindle Speed
- Adjustable, typically 300-1500 rpm
- Power
- Varies by grinding machine - 5kW to 25kW
- Voltage
- 380-440V, 3 Phase
- Dimension (L*W*H)
- Customized as per crankshaft dimensions
- Feature
- Precision grinding, onsite and workshop repair, guaranteed size tolerance
- Color
- Metallic (gray/silver)
- Service Location
- Workshop or onsite (marine/vessel location available)
- Rehardening Process
- Optional, induction hardening available on request
- Tolerance after Grinding
- Maintained within OEM specification, typically <0.02 mm
- Documentation
- Full dimensional and surface finish report provided post-job
- Working Speed
- Service dependent
- Balance Test
- Dynamic and static balance as per OEM standard
- Crank pin diameter (Pin #8 after grinding)
- 279.48~279.50 mm
- Inspection Metrology
- Ultrasonic and NDT before and after repair
- OEM Spec Compliance
- Yes, repair and grinding procedures adhere to MAK/CAT specifications
- Availability
- 24x7 Emergency repair capability
- Application
- Marine engines and power plant engines crankshaft maintenance
- Minimized Surface Roughness (Ra)
- 0.2~0.4 m (as achieved after fine grinding and polishing)
- Turnaround Time
- Typically 3-5 days per crankpin under standard workshop condition
About Crankshaft Grinding and Repair of MAK/CAT 8CM32C
RA Power Solutions successfully carried out the in-situ crankshaft grinding of a MAK/CAT 8CM32C engine in Burkina Faso, West Africa. The job involved precision grinding and restoration of the crankshaft, which was undertaken using advanced onsite crankshaft grinding equipment.
RA Power Solutions is a leading specialist in in-situ crankshaft grinding and repair, with extensive experience in repairing crankpins and main journals of both small- and large-diameter crankshafts. With over 47 years of experience, the company has successfully completed crankshaft repair projects for marine engines, power plants, and industrial diesel engines across the world.
The major details of the crankshaft of the MAK/CAT 8CM32C engine are as follows:
| S. No | Crankpin Details | |
| 1 | Engine Make | MAK/CAT |
| 2 | Engine Model | 8CM32C |
| 3 | Crankpin Diameter Standard | 280.00 MM |
| 4 | Crankpin Bearing Width | 125.00 MM |
| 5 | Grinding of Crankpin Number | #01, #02, #03, #04, #05, #06, #07, #08 |
| 6 | Place of Execution of Grinding of Crankpin | Burkina Faso, West Africa |
| 7 | Name of Shipping Company | Reputed Company from Burkina Faso, West Africa |
| 8 | Date Of Execution | 20th August to 4th September 2026 |
i) Initial Inspection of the MAK/CAT 8CM32C Crankshaft
Due to the repeated failure of the bearings, the client decided to have the crankshaft audited for all major parameters. RA Power Solutions deputed two (2) technicians, along with an onsite crankshaft grinding machine, from New Delhi to Burkina Faso. During the initial inspection, the following parameters were checked and observed.
a) Dimensional inspection of the crankpins was carried out, and excessive ovality was observed in all the crankpins.
The readings for all the crankpins are given below:
| SIZE OF CR PINS BEFORE REPAIR | |||||||||
| A | Aa | C | Cc | B | Bb | Min | STD | Ovality | |
| CR-1 | 279.83 | 279.84 | 279.84 | 279.82 | 279.85 | 279.87 | 279.82 | 280.00 | 0.18 mm |
| CR-2 | 279.81 | 279.83 | 279.84 | 279.85 | 279.84 | 279.85 | 279.81 | 280.00 | 0.19 mm |
| CR-3 | 279.91 | 279.87 | 279.85 | 279.83 | 279.86 | 279.88 | 279.83 | 280.00 | 0.17 mm |
| CR-4 | 279.89 | 279.86 | 279.85 | 279.83 | 279.86 | 279.88 | 279.83 | 280.00 | 0.17 mm |
| CR-5 | 279.84 | 279.85 | 279.83 | 279.86 | 279.88 | 279.90 | 279.83 | 280.00 | 0.17 mm |
| CR-6 | 279.82 | 279.84 | 279.85 | 279.86 | 279.88 | 279.89 | 279.82 | 280.00 | 0.18 mm |
| CR-7 | 276.85 | 276.87 | 276.86 | 276.87 | 276.87 | 276.88 | 276.85 | 277.00 | 0.15 mm |
| CR-8 | 279.85 | 279.89 | 279.84 | 279.83 | 279.82 | 279.85 | 279.82 | 280.00 | 0.18 mm |
b) As per our protocol, all the crankpins were checked for hardness using a portable hardness tester and were found to be within limits.
c) MPI was also carried out to check for cracks, and no abnormality was observed.
ii) In-Situ Grinding of All Eight Crankpins | MAK/CAT 8CM32C Engine in Burkina Faso, West Africa
After completion of the inspection, all eight (8) crankpins were ground onsite by RA Power Solutions technicians using a portable in-situ crankshaft grinding machine.
The grinding operation was carried out with strict control over dimensional accuracy. A step size and tolerance of 0.02/0.03 mm were maintained during the grinding process to achieve the required final dimensions.
The entire repair was completed onsite without removing the crankshaft from the engine, thereby significantly reducing dismantling requirements and repair time.
RA Power Solutions | Global Specialists in Onsite Crankshaft Grinding and Repair
RA Power Solutions has been successfully executing repairs of high-diameter crankshafts up to 700 mm. We also specialize in onsite grinding of small-diameter crankpins with a bearing width as low as 50 mm, enabling us to undertake complex crankshaft repairs on-site. We have developed special-purpose onsite crankshaft machining equipment that enables us to execute such repairs. We execute repairs for the marine, industrial, stationary power, and offshore sectors all over the world.
Our technicians are available to travel worldwide on short notice. Additionally, several of our technicians hold valid US visas, enabling them to travel to South America, the Caribbean, and other destinations as needed.
High-Precision Grinding and Repair
We deliver exacting crankshaft grinding services that restore the critical dimensions and surface finish of your MAK/CAT 8CM32C crankshaft. Each repair work follows strict OEM standards to guarantee a crank pin diameter within 279.48~279.50 mm and a consistent, low surface roughness, ensuring long-term durability and engine reliability.
Comprehensive Inspection and Metrology
Before and after every repair, crankshafts undergo ultrasonic testing and non-destructive testing (NDT) to detect any internal or surface anomalies. This thorough inspection process guarantees only defect-free crankshafts are returned to service, backed by complete dimensional and finish reports for your detailed records.
Flexible, Rapid Service Onsite or Workshop
Our team provides crankshaft grinding and repair both at our workshop and onsite at marine/vessel locations. Standard turnaround times are 3-5 days per crankpin, with emergency repairs available around the clock. This flexibility minimizes your downtime and maximizes operational efficiency.
FAQ's of Crankshaft Grinding and Repair of MAK/CAT 8CM32C:
Q: How is crankshaft grinding and repair for the MAK/CAT 8CM32C performed?
A: Crankshaft grinding and repair are executed using precision manual grinding equipment, with each process adhering to MAK/CAT OEM specifications. The crank pin is restored to the required diameter and surface finish, with tolerances maintained below 0.02 mm. Following grinding, ultrasonic and NDT inspections are conducted to ensure structural integrity before balance testing and, if requested, induction rehardening.Q: What quality standards are maintained during the crankshaft repair process?
A: We strictly follow OEM-specified tolerances for the MAK/CAT 8CM32C. Surface roughness is minimized to Ra 0.2~0.4 m, and all dimensional checks are supported by metrology reports. Both static and dynamic balance tests are completed as per OEM requirements to guarantee optimal performance and safety.Q: When can I access this crankshaft grinding and repair service?
A: Our service is available 24x7, including emergency repair support. Standard repairs are completed within 3-5 days per crankpin under typical workshop conditions. Onsite repairs are also offered based on project requirements and scheduling.Q: Where can the crankshaft repair be carried out?
A: Repairs are performed either at our fully equipped workshop or onsite at marine or vessel locations, depending on your operational needs. We have mobile equipment to facilitate high-quality onsite repairs worldwide.Q: What processes are included in the crankshaft grinding and repair service?
A: The service includes crank pin grinding, ultrasonic and NDT inspections (pre- and post-repair), dynamic and static balance testing, and optional induction rehardening. The service concludes with detailed dimensional and finish reporting provided to the client.Q: How is the repaired crankshaft verified for performance and quality?
A: After grinding, each crankshaft is subjected to ultrasonic and NDT checks, as well as dynamic and static balancing according to OEM standards. Only after successful verification is the crankshaft cleared for operational use.Q: What are the benefits of using this crankshaft grinding and repair service?
A: Benefits include minimized downtime through rapid service, extended crankshaft life through precise grinding and finish, full compliance with OEM specifications, thorough inspection processes, and global onsite capability.
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