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270.04 грн
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anodized aluminum
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The aluminum form (164х25х3 mm, with the ends beveled at 45 degrees for fastening like "swallowtail") with the pasted lath from a beech wood, is intended for use as a lapping surface together with pastes, powders and suspensions of various type of action.

Wooden lapping surfaces are effective and are most often used for final sharpening and finishing operations when working with very hard steels where working on a bonded abrasive no longer gives the desired result when treating the supply surface. Sharpening of very hard knife steels (more than 62HRC) implies a weak abrasive bond in order not to damage the structural matrix of the metal during processing and not to tear carbides around the cutting edge, thus weakening the most important area (near the RK) of the cutting tool. However, when sharpening hard steels, the stroke of the bar relative to the RK (for grain or grain) is not important, because the hardening zone (as in mild steels) is not formed and sharpening from grain is as effective as for grain. All this makes wooden grinders an ideal tool for working with hard steel knives. Sharpening of relatively soft knife steels on wooden grinders also gives excellent results, but with the proviso that it will be conducted only by movements "from the grain".

Forms with wooden lapping surfaces are excellent for use with abrasive-type compounds - diamond and elbor pastes (fat or water-based), with sharpening and refining suspensions of the galvanizing type, for example, HLAD'stone or with adhesive polishing pastes - Dial etc. You can also effectively use various polishing powders for fine finishing operations, for example, based on ceramic corundum. The components of the pastes and suspensions are easily retained in the pores of the wood, easily applied to the work surface and work effectively.

The use of water-based pastes and suspensions is as expedient and cost-effective as oil-based ones. Pastes and suspensions are kept exclusively in a thin near-surface layer, without causing mechanical stresses in wood and distortion of the geometry of the lapping surface.

Cleaning of a surface of wood from the rests of pastes and slime is made by a mechanical way - either by a butt of a knife, or by means of the grinding wheel fixed on a smooth surface. However, if a paste, suspension or powder of a certain type is applied to the wood, further use of this form is possible only with this compound.

Wooden bars glued to aluminum blanks can also be used to deburr at the finishing stages of sharpening. This operation can be performed with or without various pastes.


Country of origin
anodized aluminum
Aluminum plate size
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