There are two common designs for diesel cylinder heads: large (huge) castings for 6 cylinder inline engines with 24 valves, and single-cylinder heads, each with 4 valves (such as found on the CAT 3500). The single cylinder heads are the biggest challenge! Most seat and guide machines can only handle one single head at a […]

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The Rottler SG10XY ACTIV spindle is mounted on a sphere which allows the UNIPILOT to automatically center with the valve guide centerline while the Workhead is floating on air cushions. Once air floating stops and the Workhead clamps, the UNIPILOT and valve guide centerline are maintained while cutting the valve seat.  ACTIV SPINDLE – Spherical […]

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The Rottler SG80A was created specifically for machine shops that rebuild small to large cylinder heads found in the heavy duty engine industry. Large cylinder heads come in many shapes and sizes, from 24 valve single casting cylinder heads to huge single cylinder heads used in natural gas, mining and marine workboat engines. We put […]

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The all new SG90MTS has a MANUALMATIC Touch Screen control similar to previous MANUALMATIC models but now features the proven ACTIV spindle system mounted on triple air float centering system to improve CONCEN accuracy and allow the use of small diameter pilots for small diameter valve seats. Spindle down feed is operated by the steering […]

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The SG9MTS uses the proven patented UNIPILOT tooling system. The machine have 2 modes of operation: MANUALMATIC – a brand new concept has been added to these machines which should increase productivity by 30-50%. During seat cutting, the operator does not have to operate any buttons or switches, simply turn the spindle feed steering wheel up and down […]

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