Oilless Guide Elements P1

Oilless Guide Elements General Description Oilless Guide Elements with embedded solid lubricants are used in applications of linear or rotary motion in toolmaking, general machine construction and similar engineering uses. The structure of the base material provides closely spaced deposits of solid lubricant – properties and specifications as per table below. The elements satisfy highest demands in terms of load bearing capacity at low sliding speeds, within an extensive temperature band. The lubricant deposits are arranged in staggered geometrical patterns, thus ensuring optimal lubrication effect along the sliding motion, especially with counter bearings which are hardened and ground. . | 2-8690-2001-4 subject to alterations d99 Oilless Guide Elements General Description Oilless Guide Elements with embedded solid lubricants are used in applications of linear or rotary motion in toolmaking general machine construction and similar engineering uses. The structure of the base material provides closely spaced deposits of solid lubricant -properties and specifications as per table below. The elements satisfy highest demands in terms of load bearing capacity at low sliding speeds within an extensive temperature band. The lubricant deposits are arranged in staggered geometrical patterns thus ensuring optimal lubrication effect along the sliding motion especially with counter bearings which are hardened and ground. The sliding surfaces should be lightly greased with lithium grease emulsion prior to commissioning. On flat guideways and pillar guides from 25 to 30 per cent of the sliding surfaces consist of lubricant deposits. Surfaces of counter bearings must have a ground finish preferably with a lay parallel with the sliding motion. Choice of Element-Type Standard - for general uses at temperatures up to 200 C Special Types on request Advantages of Oilless Guide Elements - good emergency sliding properties - highest carrying capacity at low speed - use under water or with chemical solutions - extremely wide temperature resistance - hot and cold - damping properties in presence of vibration PV value The permissible bearing load is determined from the pressure and the PV value which defines the bearing wear. The PV value is the product of surface pressure P and running velocity V . The permissible bearing load is determined from the PV value. PV P x V N cm2 x m min. P F A N cm2 F max. load N A projected area of the bearing Surface pressure temperature speed and lubrication Surface pressure max. N cm2 Temp. C Speed m min. PV value N cm2 x m min Lubrication 5000 80 15 10000 Initial 3000 150 60 20000 Pressure lubrication Oilless Guide Elements - Material Data .

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