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A Rock Reamer is used to ream holes in previously drilled workpieces (or reamed). A reamer is primarily used to increase the hole's precision and eliminate surface roughness. A reamer is a tool that is used to finish or semi-finish holes with small machining allowances.

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Machine reamers are separated into straight shank machine reamers and tapered shank machine reamers. Hand reamers are commonly made of alloy tool steel (9SiCr), whereas machine reamers are made of high speed steel (HSS).

Reaming high-speed steel reamers results in expansion, reamer reaming with carbide results in shrinkage, and reaming thin-walled holes results in shrinkage as well.

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A reamer used to machine cylindrical holes is more prevalent, while a reamer used to machine tapered holes is less common.

A reamer is a rotary tool with one or more teeth that is used to remove small layers of metal from a hole's machined surface. The hole is reamed to a specific size and form after reaming.

The tooth pitch distribution of reamer teeth along the perimeter of the knife might be equal or uneven. A reamer is often made according to the distribution of equal tooth pitch to make it easier to manufacture.

2) The reamer is classified as a hand reamer or a machine reamer depending on how it is used; it is also classified as a cylindrical reamer or a conical reamer depending on the shape of the reamed hole (standard cone a reamer has 1: 50 taper pin a reamer and Morse taper a reamer two types).

While a reamer's diameter is large, it's best to have more teeth; when processing tough materials, a reamer's number of teeth should be reduced; when processing brittle materials, a reamer's number of teeth should be increased.

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Straight and spiral grooves are offered on the reamer. The most typical material for a reamer is high-speed steel with carbide inserts.

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1) A reamer's construction is primarily made up of a working component and a shank. The working component of a reamer is primarily utilized for cutting and calibration duties, with an inverted taper on the calibration place's diameter. The fixture clamps the shank, which comes in both straight and tapered versions.

The dimensional precision of the hole being machined, as well as the reamer production costs and service life, are all affected by the reamer diameter tolerance. Reaming "expansion" occurs when the hole diameter is larger than the reamer diameter due to radial runout of the cutter teeth, reaming amount, cutting fluid, and other reasons.

Reaming accuracy, surface roughness, chip spacing, and tool tooth strength are all affected by the number of teeth on a reamer. Its value is usually dictated by the diameter of the reamer and the substance of the workpiece.

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A reamer's nominal diameter is the same as the hole's nominal diameter. The quantity of expansion, shrinkage, and wear tolerances should all be considered when calculating reamer variations up and down.

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Because of the blunt radius of the cutting edge extrusion hole wall, the hole will recover and shrink, which is known as reaming "shrinkage." Both "expansion" and "contraction" components are usually present.

3) Reamers are classified as cylindrical, conical, or stepped depending on the shape of the reamed hole. As one of the professional pdc bits manufacturers, GREAT Bit provides various types of rock drill bits including PDC bit, tricone rock bit, Rock Reamer & Hole Opener, etc., which are of high quality and can be used for hard rock drilling. GREAT Bit can produce various sizes of hdd rock reamers according to customer requirements. If you have any coming HDD projects , just feel free to contact with us. Our team of experts is ready to assist you in choosing the most suitable directional drill reamers based on your project's specifications.

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