Repair of Crack Cast Metal by Metal Stitching Services | Cast Iron Engine Block Crack Repair

It is observed that cracks repair in cast iron components develop due to exposure to excessive heat or mechanical failures. Sometimes it is difficult to arrange for the new part due to long delivery or exorbitant price.

RA Power Solutions undertakes repair of cracked cast metal or aluminium components by metal stitching and metal locking process. It provides permanent crack repair solutions without the generation of heat associated with the welding process. The main advantage of cracking or damaged cast iron or aluminium components by metal stitching and metal locking is that it can be performed onsite avoiding the considerably high cost of labour for disassembly of the equipment and transport to the designated workshop.

The repair of cracks cast metal by metal stitching and metal lock process restores the surface area to the original dimensions and profile. Very rarely there is a requirement for machining. The repairs are also watertight and gas-tight.

Damaged Engine Block Under Repair
Damaged Engine Block Under Repair
Onsite Repair of Engine Block by Metal Stitching & Metal Locking
Onsite Repair of Engine Block by Metal Stitching & Metal Locking

RA Power Solutions with experience of more than four decades. We have experienced technicians who have undertaken the most complex crack repair jobs through metal stitching and metal lock processes. The technicians carry pneumatic portable tools and consumables to the site. We have executed thousands of repairs of cracked components, a broad description of which is as follows:

  • Repair heavy earthmoving and mining machinery.
  • Repair of high-capacity turbines, alternators, turbocharger casings, and parts.
  • Cracked engine blocks, cylinder heads, pistons, and cylinder liners.
  • Heavy-duty industrial machine.
Pulverizer of Cement Plant under Repair by Metal Stitching Metal Locking
Pulverize of Cement Plant Under Repair By Metal Stitching Metal Locking
Repair of Piston by Metal Locking & Metal Stitching under Process
Repair of Piston by Metal Locking & Metal Stitching under Process

The consumables used by RA Power Solutions for the repair of crack cast metal by metal stitching and metal lock have the following properties which result in permanent repair with a guarantee.

I) Locks:

The locks of different designs are used in the process of repair of cracks by metal lock and metal stitching according to the intensity of the crack, length and thickness of the casting.

Special Metal Locks & Keys for Repair of Engine Block
Special Metal Locks & Keys For Repair Of Engine Block

The locks used by us are made of precision-cut high-grade steel and are able to withstand high tensile forces more than the original casting.

II) Stitching Pins:

The stitching pins used by us have special threads which make the process failure-free. The pins are manufactured out of high-grade steel and have higher tensile strength than the cast iron.

Engine Block After Repair by Metal Stitching & Metal Locking Process
Engine Block After Repair by Metal Stitching & Metal Locking Process

For your requirement of crack repair on-site in a Power Plant or onboard a vessel, you may contact RA Power Solutions. All our technicians have valid CDC and can fly to any destination in the world on short notice.

For more details on fixing a cracked engine block, metal surgery process, repair crack cast iron, engine block repair, crack repair of components, and cast iron engine block crack repair please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Broken Engine Block Repair | Damaged Engine Bedplate Repairs | Metal Stitching

The repair of broken engine block, turbocharger casing, and heavy cast iron parts can be successfully repaired by metal stitching, metal locking, and metal surgery process.

The repair of crack and repair of damaged casting by welding process is now completely outdated and is not recommended for repair of damaged cast metal and cast iron parts. In fact, it is observed that in certain cases repair by welding results in more serious damage due to the generation of heat and stress during the process of welding. RA Power Solutions have been undertaking repairs of damaged engine block, steel components repair, cast iron repairs, and all types of cast components by metal stitching and metal locking process for the last four decades.

Metal Stitching & Metal Locking of Suction Bell Mouth of CW Pump Repairing
Metal Stitching & Metal Locking of Suction Bell Mouth of CW Pump Repairing
Broken Suction Bell Mouth of CW Pump
Broken Suction Bell Mouth of CW Pump

We have a separate and dedicated team of technicians who have the capability to undertake the onsite repair of crack and damage casting by using portable tools and high-quality consumables (locks and keys ) which are imported by us from the UK.

Broken Area of Engine Block
Broken Area of Engine Block
Engine Block After Metal Stitching and Metal Locking
Engine Block After Metal Stitching and Metal Locking

Advantages of crack repair and damage casting, cast iron repair by metal stitching, and metal locking process:

  • It is possible to undertake crack repair and repair of damage casting by metal stitching and metal locking process onsite. Hence there is no requirement of transporting the cracked or damaged components to the workshop.
  • In most cases, there is no requirement for the disassembly of equipment.
  • We possess portable tools to execute the repairs on-site.
  • The time duration for the repair of crack and damaged cast components by metal lock and metal stitching is low.
  • Metal Stitching and Metal Locking is a permanent crack repair method as no heat is generated which is associated with welding.
  • The crack and damaged area after repair by metal locking and metal stitching process is restored to its original profile and is also recommended for gas or watertight repair.
  • Repairs are undertaken with the guarantee.

The repair by metal stitching and metal locking process can be undertaken of cast iron, aluminum parts including the following:

  • Damaged turbocharger casing.
  • Pump casing and gearboxes.
  • Fixing Cracked engine block, cam covers, cylinder liners, turbine casings, and all components.
  • Heavy industrial and mining equipment.
Metal Surgery under Process while Vessel is Sailing
Metal Surgery under Process while Vessel is Sailing

For a detailed repair process of damaged casting by metal locking, damaged engine block, metal stitching, broken engine block repair, and metal surgery please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Cast Iron Crack Repair By Metal Stitching – RA Power Solutions

Cast iron crack repair by metal stitching and metal locking process is highly recommended. Metal stitching process for repairing casting is widely use, and accepted in the industry, and more successful process for repairing cracks in cast iron.

Steam turbine casing of Hangzhou make was reported damaged due to accident. The turbine operates at 130 MW peak load.

RA Power Solutions deputed technician to the site with latest breed of instruments, equipments and consumables in order to undertake inspection of the turbine casing and to execute necessary repair following observation was made.

Observation-

Turbine casing due to accident developed multiple cracks at different locations. Crack of following dimensions were observed

  • Crack having a length of 190mm with indiscipline profile
  • 2 Cracks having length of about 300mm
  • Casting having dimensions of 600mm/450mm with thickness of 45mm was damaged into pieces
Turbine casing
Turbine Casing
Damaged turbine casing
Damaged turbine casing

Crack repair by Metal lock and Metal stitching.

Crack Repair and damaged casting replacement was undertaken by RA power technicians.

  • The damaged casting area was cut and disciplined profile was given measuring 650mm/520mm this area was properly ground
  • The damaged sample piece was sent for metallurgical test to know the composition of material.
  • A wooden pattern was made at site having an exact profile as of damaged area.
  • A new casting piece having superior metallurgical properties then the original damage casting was manufactured.
  • The new casting piece was fixed in damage area by metal stitching and metal locking process.
  • RA power engineers used metal locks, metal keys and all consumables’ imported from UK for repair of cracks and damage casting.
  • The polishing of outer and inner surface of damaged area was done and painted.
  • The turbine is presently working satisfactory and has completed 3500hr of operation.

RA power under takes repair of crack casting by metal stitching and metal locking process from last 40 years and have executed successfully repair of heavy components used in power plants, industry, ships etc…

The metal stitching and metal locking can also be undertaken while sailing the vessel.

To know more about cast iron crack repair, metal locking, cast iron stitching, metal surgery, and engine block repair, please email us at rajshahani@rapowersolutions.com, or info@rapowersolutions.com, or call us at +91 9582647131 or +91 9810012383.

Repair of casing by metal lock and metal stitching
Repair of casing by metal lock and metal stitching
Turbine casing after repairs
Turbine casing after repair