Products Kawamura Mfg Co., Ltd.
Microgroove roll photograph
Microgroove roll
Roll processed fine grooves of 100μm or less on reverse crown.

Cross groove roll photograph
Cross groove roll
Roll processed crossing grooves.

Arc shaped grooving photograph Arc shaped grooving enlarged photograph
Arc groove roll
Grooving arc of width 8mm, depth 2.4mm and radius 4.5mm.

Cooling roll inner cylinder spiral groove structure photograph
Cooling roll　inner cylinder spiral groove structure
Inner cylinder is flowing water channel with spiral groove structure.

Cooling roll inner cylinder periphery structure photograph
Cooling roll　inner cylinder Periphery structure
Inner cylinder is flowing water channel with periphery structure.

Knurl-formed screw threading photograph Knurl-formed screw threading enlarged photograph
Knurl-formed roll
Roll cut every single groove instead of knurled.

Long lead screw threading photograph Long lead screw threading enlarged photograph
Long lead roll
Threading long lead screw with ball end mill.

Double helical roll entire photograph Double helical roll central part photograph
Double helical roll
Reversing direction of screw in the center.

Suction hole photograph
Suction roll
Outer cylinder of suction roll with numerous air holes opened.

Uniform nip roll photograph

Uniform nip roll
Roll with structure of low deflection and uniform nip amount.