Products

Precision cutting and machining at Rhine Seiko

Rhine Seiko supplies a wide range of industries including automobiles, machine tools, industrial machinery, aircraft and medical equipment and devices. In addition to die and high-speed steels, we have particular expertise in hardened materials such as cement carbide and ceramics.

Materials (Note: This not an exhaustive list. Contact us to discuss other materials not shown here.)

Composition Die and high-speed steels, powdered high-speed steel, cement carbide, ceramics, aluminum, stainless steel, copper, pure titanium, Ti-6AL-4V, Inconel
Machining processes Lathe turning, cutting, electrical discharge machining, wire-cut electric discharge machining, grinding (surface, cylindrical, bore and profile), quenching, shrink fitting, polishing

Products

Product name
Press die component (die)
Industry
Medical
Composition
HAP40 powdered high-speed steel
Size
40mm×40mm
Accuracy
±0.003mm
Remarks
Heat treatment > surface grinding > machining center > polishing and finishing
Product name
Cold forging press die
Industry
Automobile
Composition
SKD11 die steel
Size
φ125mm×65mm
Accuracy
0.0015mm
Remarks
Circularity and concentricity are key challenges due to split configuration.
Product name
Segment die
Industry
Automobile
Composition
Cemented carbide
Size
φ70mm×75mm
Accuracy
Concentricity =+0.01mm
Remarks
Outer diameter taper angle = 15°0’10” (target value)

Product name
Forging die
Industry
Automobile
Composition
Cemented carbide
Size
φ40mm×40mm
Accuracy
±0.001mm
Remarks
Round shape accurate to within 1/1000
Product name
Cold forging die (embossed punch)
Industry
Automobile
Composition
Cemented carbide
Size
30mm×45mm
Accuracy
±0.01mm
Remarks
Ra0.8
Product name
Tester
Industry
Aircraft
Composition
A7075
Size
300mm×200mm
Accuracy
Positioning accuracy =±0.01mm
Remarks
Assembly accuracy = +0.01 mm
Total parts = 20

Product name
Ceramic die
Industry
Industrial machinery
Composition
Alumina (Aluminum Oxide)
Size
Inner diameterφ120mm
Accuracy
±0.01mm
Remarks
Shrink fitting of thin ceramic inners
Product name
Sleeve guide
Industry
Industrial machinery
Composition
SKD11 die steel
Size
φ18mm×200mm
Accuracy
±0.01mm
Remarks
Thin piece
Product name
Punch with gear profile
Industry
Automobile
Composition
SKH51 high-speed steel
Size
φ40mm×200mm
Accuracy
±0.01mm
Remarks
Gear profile cutting post heat treatment

Product name
Stripper plate
Industry
Industrial machinery
Composition
SKH51
Size
150mm×150mm
Accuracy
Round section =±0.01mm
Remarks
Mirror finish
Product name
Slit punch
Industry
Industrial machinery
Composition
Cemented carbide
Size
20mm×150mm
Accuracy
Shape accurate to±0.005mm
Remarks
Blade edge subject to confidentiality provisions