Characteristics and advantages

More freedom for the tire design !

SP Mold is based on steel casting segments. So the manufacturing cost does not increase even complex pattern. SP Mold enlarges the possibility of steel mold products. We believe the excellent steel mold is SP Molds.

Lug pattern Rib pattern Rib+lug pattern Block pattern
With many Sipe
Design Sipe Delivery Cost Accuracy Maintenance
SP Molds ◎ ◎ ◎ ○ ○ ○
Steel casting ◎ △ × × × ○
Engraving × × ◎ ○ ◎ ○
Steel rib × × ◎ ○ ◎ ○

Advantages

Contributes to cost-saving

( Compared to conventional engraved mold )

  • Applicable to all designs
  • Most suitable for block type and rib+lug type

Quick delivery !

  • 110 days ( Includes shipping days from Japan to USA )
  • 70 days after our USA plant start
  • Advanced technologies like CNC milling support to short time delivery
Steel tire mold manufactured with NGK’s accurate casting and machining technology
  • Unique casting technology
  • Efficient and accurate machining based on NC technology
  • Brand new mold assembled from steel cast segments
Others
  • High rigidity
Highly resistant to unbalanced load caused by vulcanizer and container, sandblast and dent.
  • High durability
No thermal expansion, so no burrs on the parting line and sector ends.
  • No thermal distortion
No differential thermal expansion because both the back rings and the cavities consist of the same material.

　

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