Cutting SystemsSKU: GRS-SS-UM140Art. SS-UM140

Knife Ring UM140

Name: Knife Ring UM140
Brand: Grossmann
SKU: GRS-SS-UM140

UM 140 Knife Ring / Untermesser (Ø 140 mm)

Knife ring UM140: Inner dia. 80 mm, outer dia. 140 mm, width 35 mm. Fastening: Grub screws. For cassette SMK610.

Hardened GroundKnife RingMesserringShear CutSteelUm 140Untermesser

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Hersteller

Grossmann GmbH

Garantie

12 Monate

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Beschreibung

The UM 140 is a hardened, ground circular knife ring (Messerring / Untermesser) that fits onto a driven Messerwelle / Schneidwalze. Its outer cutting edge shears against a round knife in an SMK cassette. Several rings are set at the desired web-slit positions.

Model data

Parameter	Value
Inner diameter d	80 mm
Outer diameter D	140 mm
Width B	35 mm
Fastening	Grub screws (Madenschrauben)
Paired SMK cassette	SMK 610

UM family reference

Type	Inner Ø d	Outer Ø D	Width B	Fastening	Paired SMK
UM 90	60 mm	90 mm	20 mm	Grub screws	SMK 410
UM 105	80 mm	105 mm	30 mm	Grub screws	SMK 410 / SMK 610
UM 140	80 mm	140 mm	35 mm	Grub screws	SMK 610
UM 193	50 mm	193 mm	40 mm	Shrink disc 75 mm	SMK 880 + larger

Grub-screw fastening (UM 90/105/140) allows fast positioning; the shrink-disc fastening of UM 193 avoids marking the shaft under high cut loads. Knife-ring speed must be set 3-5 % faster than the web; overlap 0.5 - 1 mm with the SMK round knife.