Lathe parting tools

Types of Lathe Parting Tools

• Cutting Tools for Lathe Parting

  Parting tool holders are commonly used in metalwork, and they come in various styles. The V-shaped or wedge-shaped parting tools are one of the most common. These tools have a narrow and pointed edge to cut deep into the metal to produce a clean and precise cut.

  There are angled parting tools having an angle edge, which are useful for making cuts in hard-to-reach areas or at an angle to the workpiece. Another type is the curved parting tools, which have a slightly concave edge that helps in making curved or beveled cuts on metal surfaces.

• Cutting Tool Holder Materials

  Cutter holder materials include steel, carbide, and high-speed steel. Steel parting tools are durable and can withstand high temperatures, while HS steel tools remain sharp for a long time. carbide tools are effective because the insert materials are very hard and able to maintain a sharp edge to cut through hard metal materials.

• Inserts for Lathe Parting Tools

  Inserts are the replaceable cutting edges of lathe parting tools. These cutting edges can be made from various materials. They include carbide inserts, commonly used due to their hardness and wear resistance, HS steel inserts known for their toughness and ability to withstand heat, ceramic inserts used for high-speed machining because they maintain sharp edges and are effective in cutting hard materials.

Industry Applications of Lathe Parting Tools

• Metalworking Industry

  The metalworking industry uses parting tools for finishing and fabricating metal products. In metalworking, lathes with parting tools are applied in cutting metal rods and shafts into specific lengths, which are used in automotive and aerospace parts. They also assist in producing gears, pulleys, and other mechanical components.

• Machining Components for Heavy Loads

  Parting tools can be used in heavy-duty machining operations, which involve cutting thick and large metal materials. In this case, stronger and tougher parting tools are used. Parting tools are also used in industries that produce lathe turning tools for large casts wrought iron parts. Due to its strength, the parting tool easily cuts through large, thick materials.

• Automotive Industry

  In the automotive industry, where stocks or raw materials need to be constantly purchased in order to remain productive, parting tools are used to cut metal blanks and shafts for use in making various components. Their precision and efficiency make them convenient tools to own, therefore owning them means that there is a constant ability to make more automotive parts.

• Tooling and Die Manufacturing

  The parting tools are used to create and maintain molds and dies used for manufacturing processes such as injection molding and metal stamping. They are applied in cutting finer details on the die or mold, improving accuracy and quality. This allows the industries to create complex shapes and patterns without frequent wear.

• Batch Cutting of Multiple Parts

  The woodworking industry has also adopted parting tools to make clean cuts on wooden materials. In this case, they are used to create furniture parts, cabinetry, and other wooden structures. Their precise cutting ability allows for better craftsmanship and minimal waste.

Product Specifications and Features of Lathe Parting Tools

Technical Specifications

• Blade Width: The blade width typically ranges from 3 mm to about 10 mm depending on the type of lathe it will be used with.
• Blade Material: Lathe parting tools are commonly made of high-speed steel, carbon steel, or carbide steel. Carbide is common for its hardness and durability.
• Shank Size: The parting tool shank sizes are typically 6 mm, 8 mm, 12 mm, and 16 mm. The size of the shank is determined by the type of lathe used.
• Cutting Edge Angle: This angle usually ranges from 5 degrees to about 15 degrees.
• Overall Length: Most parting tools have an overall length of about 100 mm to 150 mm.

How to Install

• Choose the Right Tool: It is important that the right type of parting tool is selected depending on the particular project being carried out.
• Setup the Lathe: Before starting, ensure the lathe is set up properly and all safety precautions have been taken.
• Secure the Parting Tool: When holding a parting tool, secure it firmly in the tool holder or tool post.
• Align with the Workpiece: Move the lathe carriage so that the parting tool is aligned with the cutting line on the workpiece material.
• Adjust Tool Height: Adjust the height of the parting tool so that it is parallel with the centerline of the lathe. This ensures even cutting.
• Tighten and Verify: After placing the tool, tighten the tool holder. Properly secure it to avoid safety concerns and ensure accuracy. Then, double-check the alignment and adjust further if needed.

How to Use

• Secure the Workpiece: The first thing to do is to securely mount the workpiece material onto the lathe chuck. The lathe chuck will hold the workpiece securely to ensure even and smooth cutting.
• Set Proper Speed: Set the lathe speed based on the material type and the width of the cut. Softer materials will be fine with lower speeds, while harder materials need a higher cutting speed.
• Position the Tool: With the lathe running, move the carriage to position the parting tool near the edge of the workpiece. The cutting edge should be aligned with the desired cut line.
• Begin Cutting: Slowly feed the tool into the material. Apply light, steady pressure to allow the tool to cut without binding or chipping.
• Complete the Cut: Continue feeding the tool until it passes through the workpiece. Maintain consistent pressure and speed for a clean finish.

Maintenance and Repair

• Regular Cleaning: After using the parting tool, it should be cleaned to remove any metal shavings, dust, or residue that may affect the tool condition. For cleaning, one has to use a soft brush or cloth to avoid much destruction on the tool edges.
• Inspection for Damage: To ensure the tool is always in its top condition, frequent inspections should be carried out to check for wear, damage, or any signs of deterioration. Look at the edges to confirm if they are chipped or have become blunt. The lathe tool should be sharpened or replaced whenever it shows signs of damage.
• Sharpening as Needed: A sharp cutting edge is important for the tools to work well so as to reduce wear on the tool. Lathe cutting tools can be sharpened using a sharpening stone or grinder to maintain the original edge angle.
• Storage: When not in use, the lathe parting tools should be kept in a dry, safe place to avoid damage. Their storage can be in a protective case or holder away from other tools that might hit or damage the cutting edge.
• Regular Lubrication: Depending on the kind of lathe used, lubricate the moving parts of the lathe occasionally to ensure smooth operation and help in the protection from wear and rust.

Quality and Safety Considerations of Lathe Parting Tools

Quality Considerations

• Material Durability

  Lathe parting tools are commonly made of carbide steel, carbon steel, or high-speed steel. These materials are chosen due to their durability and the ability to cut well. The quality of the material will greatly impact how long the tool lasts and how well it works. For harder materials, harder steel should be used.

• Blade Design

  The blade design of a lathe parting tool is crucial because it determines the tool's ability to make accurate and clean cuts. A thin blade width will reduce material removal and allow for deep, precise cuts. Only choose tools with blades designed for the specific project needs.

• Craftsmanship

  The level of care used in crafting the tool will affect how well it holds an edge and withstands wear and tear. This consideration applies to how well the cutting edge is formed and whether there are any imperfections on the tool. Quality tools will sharpen easily and require fewer sharpenings over time.

Safety Considerations

• Protecting Eyes and Face

  Turning tools work well, but they can also be dangerous if the right precautions are not taken. Safety glasses should be worn at all times when working with turning tools to protect the eyes from flying debris. A face shield can provide additional protection.

• Cutting Away from the Body

  The sharp edges of metal lathe tools can cause injury if they come into contact with the skin. To avoid this, always cut away from the body and secure any loose clothing or jewelry that could get caught in the moving parts.

• Using Tool Guards

  Most lathes come equipped with protective guards that cover the spinning parts. These guards should never be removed while the machine is in use, as they help prevent accidental contact with moving parts.

• Regular Maintenance

  Parting tools should be carefully maintained to ensure they do not become damaged or dull over time. Regularly check each tool for signs of wear and sharpen or replace it as needed. Using a blunt or broken tool can lead to dangerous slips.

Q&A

Q1: What are parting tools used for in a metal lathe?

A1: Parting tools cut narrow grooves or separations in materials on the lathe. They can create slots, valleys, or completely divide the workpiece into multiple parts.

Q2: Are parting tools compatible with all lathes?

A2: Not really. Parting tools should be chosen based on the lathe type, material, and intended cut. Certain tools are compatible with specific lathes only, so it's important to consult the manufacturer's recommendations when selecting a tool for a particular job.

Q3: How deep can a parting tool cut?

A3: Parting tools are effective in making cuts of new depth ranging from 1 inch to 7 inches. Their average depth of cut for use in shallow cuts is usually around 0.5 to 1 inches. However, the depth of cut also depends on the type of material being cut and the width of the tool.

Q4: Can parting tools cut hard materials?

A4: Yes, parting tools can be used for hard materials, such as hardened steel and alloys. There are parting tools designed with special cutting edges that enable them to effectively cut through hard and brittle materials without breaking or chipping.

Q5: How can one tell when to replace a parting tool?

A5: The signs that are observed include when the cuts become rough and require too much force. Another sign is when there is wear on the cutting edge that causes deformation or chipping. It is also when there is excessive heat generation during usage.