"Cast Iron Crack" We will repair cracks in metal products without applying heat.

日之出水道機器メカニカルスティッチ部

The "Mechanical Stitching Method" by Nichinichisui Road Machinery Co., Ltd. is a new technique that allows for the repair of metal cracks without the application of heat. By using special bolts and reinforcement plates, cracks are physically removed, and repairs are made without affecting the base material with heat at all. Repairs can be carried out even in environments where open flames cannot be used. Since no heat is applied, the disassembly of equipment is minimized. ◎ For more details, please contact us. ◎ If a detailed technical explanation is needed, please contact us.

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New technology for crack repair without heat application: MS method for cast iron crack repair and fissure repair.
We will repair the cracks that have occurred in the metal without applying any heat. This is a crack repair that does not involve heat. It is a crack repair that does not cause any thermal distortion.

【Basic Information】 Metal crack repair using the MS method demonstrates outstanding effectiveness in terms of precision, durability, and cost compared to conventional methods. It is a technology that physically repairs cracks using our special bolts and reinforcement plates. Since it can be performed on-site, it allows for reduced lead times and lower costs. We have experience in a wide range of fields, including cast iron cracks, ship equipment, power generation facilities, and cement equipment. Please feel free to contact us if you have any questions. 【Lineup】 ○ S Bolt → Ensures airtightness and removes cracks → Thoughtfully designed screw structure achieves tensile strength of the base material ○ T Bolt → Prevents MS reinforcement plate from pulling out and patch repairs → Unique tapered section enhances airtightness and prevents loosening ○ MS Reinforcement Plate → Reinforces and restores the repair area → Suppresses the force that would cause cracks to spread and strongly reinforces the base material ○ MS Bolt Hole Repair Insert → Female screw part for reinforcing damaged bolt holes ・HS Type Insert: When there are no cracks around the bolt hole ・HF Type Insert: When there are cracks around the bolt hole
Short-term prototype service for castings
Are you having trouble with the delivery date for your cast metal prototypes? "Casting Prototype Service!" for cast iron, aluminum castings, and stainless steel castings (lost wax casting)!

By utilizing 3D printers, traditional wooden molds and metal molds are no longer necessary, allowing for benefits such as "reduction of initial costs," "prototype production in as little as 6 days," and "simultaneous prototyping of similar products." (Supported data: IGES/STEP/PARASOLID) In research and development evaluations, the ability to simultaneously prototype similar products contributes to "shortened timelines" and "cost reduction." By presenting prototypes and evaluation data to customers in advance, the risks during the product launch of mass-produced items can be reduced.