Reamer

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Reamer Specification

Length
110 mm to 200 mm

Tool Type
Reamer

Coating
Uncoated

Machine Type
Hand or Machine Operated

Cutting Speed
25-30 m/min (for steel)

Cutter Type
Rotary

Operate Method
Manual

Cutting Accuracy
0.01 mm

Cutting Capacity
Suitable for precise hole finishing

Cutting Force
Low to moderate

Material
High Speed Steel (HSS)

Hardness
HRC 60-63

Shape
Straight Flute

Features
High precision, smooth finish, easy to operate

Operation Type
Reaming

Diameter
6 mm to 25 mm

Maximum Torque
Depends on diameter

Processing Type
Finishing

About Reamer

Bridge Reamers with Taper Shank Chucking Reamers with Straight Shank Chucking Reamers with Taper Shank Center Reamers Hand Reamers Machine reamers Shell Reamers Sprue Reamers Taper Reamers Tapeer pin Machine reamers Valve Guide reamers High Speed Steel Pins Counter bore with Drills Reamer with Drills, A

For ferrous and non-ferrous metals, synthetic materials soft and hard. Slow helix type suitable for interrupted borings, slots, cross-borings etc

A reamer is turned by means of a wrench, or it can be set up in a vise and the work turned around it. The reamer should be turned slowly until the operator is sure that it is straight in the hole, and then should be turned with a steady, firm pressure until it has been put all the way through the hole. The leading end is subjected to the greatest amount of wear because it does the greatest amount of work. If, therefore, only this leading end is put through, the hole will not be of a uniform diameter throughout.

Taper Reamers.-Taper reamers are used to finish tapered holes for the insertion of tapered pins or other tapered parts.

Machine Reamers.-The machine reamer is usually inserted in a chuck or a socket mounted in the spindle of a portable electric

or air motor. Machine reamers are also made either solid or adjustable, and each of these groups may be subdivided into straight or taper reamers.

Care of Reamers.-As stated previously, a reamer must never be turned in any way except to the right, or clockwise, even when removing it from the work. Do not use too much feed (pressure) because the reamer may hit a hard spot in the metal and break. This is especially likely with small reamers. When using a lubricant on the reamer, it is good practice to remove the tool from the work frequently and wipe away the chips which stick to the flutes. If the chips should clog, they would be likely to damage the finish on the walls of the hole. Remember that an adjustable reamer must be kept absolutely clean to do accurate work. Handle reamers carefully; if they are dropped or thrown against other tools, their sharp edges will be nicked and dulled. If the hole is too small, enlarge it with a drill before reaming it.

Precision Engineering for Exceptional Results

With H7 tolerance and polished six-flute straight shank design, this reamer delivers unmatched precision for finishing and enlarging holes. The tools high-quality HSS construction and uncoated hardness (HRC 60-63) ensure longevity and reliable performance, making it ideal for a variety of industrial and maintenance applications.

Versatile Application Across Materials and Operations

Designed for compatibility with a broad range of materials, including steel, cast iron, and non-ferrous alloys, this tool is suitable for both hand and machine use. Its low to moderate cutting force, variable blade sizes, and adaptability make it a valuable asset in any machine shop or tool room, ensuring a smooth work experience.

FAQs of Reamer:

Q: How is this straight shank reamer typically used in a machine shop or tool room?

A: This reamer is used to enlarge or finish drilled holes with high accuracy, ensuring exceptional fit and smooth surface finish. It can be manually operated or fitted to a machine for optimal precision during reaming processes in machine shops or tool rooms.

Q: What materials can this reamer efficiently cut?

A: It is engineered to handle steel, cast iron, and non-ferrous metals effectively, making it suitable for a wide array of industrial applications that require precision drilling and finishing.

Q: When should I choose an H7 tolerance reamer with six flutes?

A: Select this reamer whenever you need a precise hole with tight tolerances and an exceptionally smooth finish, especially important in assembly, maintenance, and finishing tasks where accuracy is critical.

Q: Where is this reamer best applied for maximum benefit?

A: It is ideal for use in machine shops, tool rooms, and maintenance departments, particularly when producing or refining holes requiring fine accuracy and consistent surface quality.

Q: What is the recommended process for using this reamer to achieve optimal results?

A: Begin by drilling the hole slightly undersized. Use the reamer at the specified cutting speed (25-30 m/min for steel), applying low to moderate force, and maintain proper cooling and lubrication to extend tool life and enhance performance.

Q: What are the benefits of using this high-speed steel reamer?

A: This reamer offers long service life, superior cutting accuracy (0.01 mm), high temperature resistance (up to 500C), and ease of operation, resulting in high precision and smooth finishes across diverse materials.

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