NORELEM FRANCE - Leader mondial des composants standard destinés à la construction et à l’ingénierie mécanique

Grid spacing 50 ±0.02 mm. Tombstones with grid holes are used on horizontal machining centres. The alphanumerically labelled grid holes guarantee a defined assignment of clamping elements by repeat setups. The tombstones conform to machine tables for machine tools acc. to DIN 55201 and JIS 6337-1980. Please order locating pins for positioning subplates on machine tables acc. to DIN 55201 separately. Please order protection plugs to plug unused grid holes separately. Ring bolts for hoisting are supplied. Other dimensions available on request. Drawing reference: 1) grid hole 2) hole for DIN 912 cap screw (D3/D4)

Reference surfaces precision machined Note: Ring bolts for lifting are supplied. A cover prevents the cavities filling with swarf. Drawing reference: machined faces: +0.2 mm/ +0.5 mm unmachined faces: ±2 mm

Body carbon steel. Ball, ball bearing steel 1.2067. Form D: Ball with POM insert. Form H: Ball with POM insert. Form K: Ball with carbide insert. Form M has a carbide ball. Version: Body tempered and phosphated. Ball hardened. Form M ball nickel plated. Note: Self-aligning pads serve as stops, supports and thrust pads in fixture constructions. Ball secured against rotation. * Valid only if the minimum bore depth is observed. Drawing reference: Form C: with male thread, flattened ball, smooth. Form D: with male thread, flattened ball, with POM insert. Form F: with male thread, flattened ball, diamond grip. Form M: with male thread, flattened ball, with carbide insert. Form G: press fit, flattened ball, smooth. Form H: press fit, flattened ball, with POM insert. Form J: press fit, flattened ball, diamond grip. Form K: press fit, flattened ball, with carbide insert.

Body tempered, black oxidised. Ball hardened, bright. Inserts: Form C, F hardened, black oxidised. Form M with carbide serrations, black oxidised. Form K white. Form E hardened, bright. Form O diamond impregnated surface comparable to 100 grade abrasive grit. Form P polyurethane surface, hardness 60 Shore. Note: Self-aligning pads are used to support and clamp unmachined and machined workpieces. In addition, they serve as stops, supports and thrust pads in fixtures and toolmaking. The ball can be removed from the housing by applying light pressure to the socket head screw. Ball secured against rotation. Advantages: Highly cost-effective as inserts can be exchanged. The built-in O-ring holds the ball in place and keeps dirt and foreign particles out, ensuring uniform movement. Drawing reference: Form C: flattened steel insert, smooth Form E: flattened stainless steel insert, smooth Form F: gripper face Form K: flattened POM insert, smooth

Self-aligning pads are used to support and clamp unmachined and machined workpieces. They also serve as stops, supports and thrust pads in fixtures and toolmaking. Ball secured against rotation. Form O: The abrasive diamond surface is bonded firmly to the ball. It is ideally suited to supporting smooth or slippery applications with a minimum of clamping pressure. This allows the diamond particles to get a firm grip on a very small area with minimum damage to the surface. The diamond surface offers excellent wear resistance. Form P: The polyurethane surface is vulcanised firmly to the ball. It is abrasion-resistant and does not discolour. It offers optimum protection against damage to delicate surfaces. The pearl-like surface gives a firm grip and allows air to escape so as to prevent any suction effect between the contact surface and the self-aligning pads. Advantages: The built-in O-ring holds the ball in place and keeps dirt and foreign particles out, ensuring uniform movement.

Body tempered. Ball hardened (50 - 55 HRC). Note: Self-aligning pads serve as stops, supports and thrust pads in fixture construction. They can also be installed in existing clamping devices, e.g. arness clamps. Ball is secured against rotation. Drawing reference: Form C: male thread, smooth flattened ball Form F: male thread, serrated flattened ball

Form C and F: Ball steel, ball seat high-carbon steel. Form G and J: Ball high-carbon steel, ball seat steel. Version: Form C and F: Ball hardened and black oxidised, ball seat phosphated. Form G and J: Ball phosphated, ball seat hardened and black oxidised. Note: The self-aligning pads serve as stops, rests and thrust pads in fixture construction. The seating face returns to the start position when the load is removed. Ball secured against rotation. Drawing reference: Form C: male thread, flattened ball, smooth Form F: male thread, flattened ball, diamond grip Form G: press fit, flattened ball, smooth Form J: press fit, flattened ball, diamond grip

Hardened and ground. Top face without centerbore. Note: If more than one rest pad is used, the support height can be reground. Rest pads can also be used as feet for jigs and fixtures.

Version: Ground. Top face without centerbore. Note: Rest pads can also be used as feet for jigs and fixtures. Advantages: Cerazur is extremely impact and bend resistant. The basis of this material is zirconium oxide. It is a composite metal-ceramic material.

Form A locating pins are used to position workpieces and fixture parts in reamed holes. The flattened Form C can be used to bridge tolerances in hole spacing or to secure the part to be positioned in one direction only. The Form A locating pins can also be used as limit stops or fixture feet. Advantages: Cerazur is extremely impact and bend resistant. The basis of this material is zirconium oxide. It is a composite metal-ceramic material. Drawing reference: Form A and B: cylindrical locating pin Form C and D: flattened locating pin