About heat Shrink tools
Professional Heat Shrink Tools Manufacturer
What is heat shrink tools
Heat-shrinkable tool handles are also called: sintered tool handles, thermal expansion tool handles, etc. The heat shrinkable tool handle adopts the technical principle of thermal expansion and cold contraction, and is heated by the induction technology of the tool handle heat shrink machine. Through high-energy and high-density induction heating, tools can be changed in just a few seconds. The cylindrical tool is inserted into the expansion hole of the heat shrink tool holder. After the tool holder is cooled, it has a large radial clamping force on the tool. Ultra-high-precision machining can be achieved, the tool is fully clamped 360 degrees, and the accuracy and rigidity are improved.
Heat shrink tools working principle
The thermal expansion system usually uses a thermal induction coil to heat the clamping part of the tool holder in a short period of time, causing the inner diameter of the tool holder to expand. At this time, the tool is immediately loaded into the tool holder, thereby producing a high radial clamping force to hold the tool firmly. Therefore, the thermal expansion system is a thermal tool clamping method that does not involve Rehe material between the tool and the tool holder. It can solve the extremely important issues of balance, oscillation accuracy and clamping strength in high-speed and precision machining.
Heat shrink tools application
Heat shrinkable tool holders are mainly used in aerospace, electronic products, and high-precision processing fields. When used, it is mainly installed on machining centers and multi-axis high-speed CNC milling machines. It is especially good at deep cavity processing in the mold industry and can achieve all-round ultra-high precision processing.
heat Shrink Tools Feature
Professional, Attentived, Focused
BT series Shrinkfit Tool Holder
1.Strict testing, accuracy guaranteed: selected steel, vacuum carburizing, and cryogenic treatment to make the soft materials inside
2.Materials improve the rigidity and flexibility of the product.
The inner hole has been ground with high precision, and the body accuracy reaches 0.002 mm.high speed and stability to improve efficiency, small vibration, and improved processing efficiency.
3.High-precision dynamic balancing: G2.5 precision dynamic balance setting eliminates eccentric weight to achieve balance and high tool concentricity; smooth processing, more stable precision, small vibration and high rotation speed.
HSK series Shrinkfit Tool Holder
1. Large clamping force: the entire circle is used to shrink the tool holder diameter 360 degrees, and the tool holder diameter is uniform.
Achieve excellent holding and clamping.
2. Good dust resistance: there is no gap after clamping the tool, and chips, coolant and dust are not easy to enter.
3. Slope design: The slope shape is extremely light, so try to avoid interference with the workpiece.
4. Good dynamic balance: The tool holder body has no accessories, symmetrical geometry, good balance and stability, and is suitable for high-speed processing.
SK series Shrinkfit Tool Holder
1. Deep cavity processing, stable performance: The tool installation part of the thermal loading system does not have components such as nuts and collets required for the chuck. The protruding length of the tool can be set to the shortest to obtain strong and stable clamping force and maintain high Precision and high toughness.
2. Effective air avoidance and stable performance.
3. High-quality material selection, can be loaded and unloaded repeatedly: Made of high-quality alloy steel, it is wear-resistant and durable, and can be loaded and unloaded repeatedly 2,000 times.
4. Integrated molding, capable of strong cutting, stable performance, and improved processing efficiency.
bT-SLK series Shrinkfit Tool Holder
1. Made of high-quality steel, with high precision, durability and rigidity.
2. One-time molding, stable performance: no need for nuts and collets, it is an integrated type consisting only of the body. The protruding length of the tool is set to the shortest, so it can perform strong and stable cutting.
3. High-precision clamping can extend the service life of the tool. The unified tool holder can be used more than 2,000 times, and the hot-loading tool holder can clamp the tool quickly and accurately.
4. Stable performance, small size suitable for small diameter and deep cavity processing.
hSK-SLK series Shrinkfit Tool Holder
1.Preferred material,Exquisite workmanship,Material properties:
Repeated heating and cold shrinkage ensures that the tool holder remains stable and comprehensive.Precision less than or equal to 0.003.
2.2-piece type - thermal expansion tool holder, deep cavity machining tool：Equipped with thermal expansion extension rod, it has high
repeatability, good stability, strong earthquake resistance,and high precision dynamic balance, G2.5/25000rpm
3.Strict quality inspection, better quality,double-sided restraint：The
tool holder adopts a double-sided constraint design, which closely fits both sides of the spindle, minimizing the imbalance of the tool system, thereby reducing vibration and effectively enhancing the rigidity of the tool holder.
4.The effect is better when used together.The heat-shrinkable extension rod is matched with the heat-shrinkable basic tool holder for better processing results and more accurate precision.
cR/cS/sT series collet
1.High precision ：Precision grinding of outer circle and end face，Body accuracy 0.003，Dynamic balancing: G2.536000rpm
2.Economical and wear-resistant：Made of high quality steel，Has high thermal strength and antioxidant properties，Wear resistance and elastic toughness significantly Increase service life and save costs.
3.Complete range：Thin wall type suitable for small diameter finishing,
Thick wall type suitable for roughing and finishing.
4.Better results when used together with deep cavity machining tools：The heat-shrinkable extension rod is matched with the heat-shrinkable basic tool holder for better processing results and more accurate precision.
heat shrink machine
The heat shrink machine uses a special coil to heat only the specific clamping area of the heat shrink tool holder.
This means that carbide tools can be heat-shrunk as well as tools with the same expansion characteristics as the tool holder (e.g. HSS tools, stainless steel tools). Special casing/shielding around the coils protects against magnetic flux to a large extent. The control components and high-frequency generator are integrated in the housing.
1.Coil diameter:54mm
2.The maximum heated aperture:25mm
3.Power:3500W
4.Cooling Method:air cooling
5.Heated stainless steel and alloy steel tool handles are not limited to heated MST products
Advantages of heat shrink tools
Heat shrink tool holders are widely used in various industries due to their excellent performance and features. These toolholders securely and securely clamp the tool, ensuring stability during machining operations. They also provide high levels of accuracy and repeatability, thereby improving the quality of the finished product.
One of the main benefits of shrink-fit toolholders is their ability to absorb and dissipate cutting tool vibration. This helps reduce chatter, resulting in smoother, more precise cuts and longer tool life. In addition, shrink-fit toolholders are excellent at transmitting torque, allowing for higher cutting speeds and feed rates.
Another advantage of shrink-fit tool holders is their ease of use. They feature simple and fast tool changes, saving time and increasing productivity. The toolholder’s compact design also means less interference with the workpiece, making it ideal for tight workspaces.
Shrink-fit tool handles are made from high-quality materials such as steel and carbide to ensure strength and durability. They are also resistant to corrosion and wear, making them ideal for use in harsh environments.
Installation Guide and Precautions
Thermal expansion tools use the principle of thermal expansion and contraction and use a thermal induction device to heat the clamping part of the tool in a short period of time. The tool is then immediately loaded into the tool holder, which cools and shrinks, providing even clamping force to the tool. There is no mechanical clamping component between the tool and the tool holder.
This solves the extremely important issues of balance, runout accuracy and the important issues of balance, runout accuracy and clamping strength.
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It is recommended to choose a through-hole boss for sintered tool holders, otherwise be sure to remove the boss before heating. Otherwise, the socket cannot be placed into the tool without bleeding the air. After the tool is water-cooled, remove any remaining water from the handle and blow dry with gas. The water is then blown out with gas. The tool handle should be treated with iron filings, cutting fluid, etc. in time and kept dry. Oily substance remaining on the knife handle
There is a risk of burning during heating. It is prohibited to use any flammable and explosive cleaning agents during the heating process to avoid accidents. The heat-shrinkable tool handle should be coated with a layer of anti-rust oil when it is stored or not used for a long time to ensure that the tool handle does not rust.
How to care for heat shrink tools
After using the heat-shrinkable tool holder, use an air gun to blow away all kinds of waste chips, cutting fluid and other impurities on the tool holder, especially the inner hole of the tool holder. After cleaning with an air gun, spray anti-rust oil on the inside and outside of the handle for anti-rust protection.
If you want to use a heat-shrinkable handle that has been treated with anti-rust treatment, clean the anti-rust oil on the inner and outer surfaces of the handle before heating the handle. When the heat shrink handle is not in use, it is recommended that the tool remains inside the handle to prevent impurities from entering the inner hole of the handle.
We should pay attention to the timely maintenance of the heat shrink tool handle. For the anti-rust treatment of the heat shrink tool handle, we usually apply anti-rust oil to isolate the tool handle from direct contact with air and moisture.
Our Company
Dezhou Newrgy Machinery Co., Ltd. is a company integrating design, production and sales.An industrial and trade enterprise, our company mainly deals in CNC tool holders, Collet, Pull studs, Wises, wrenches and other products. We have more than 10 years of production and selection experience, sufficient stock in stock, and complete categories; at the same time, we have a group of professional Technical service personnel provide professional services to customers, and we will become your most sincere partner.
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Professional technical personnel and sales team to solve your problems in time
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why choose us
why choose our products
1. We are a factory with more than 10 years of professional production of CNC tool holders.
2.100% QC inspection before shipment.
3. Best quality and best service and competitive price.
4. Your satisfaction is our pursuit. If you have any questions about our products, shipping, packaging, etc., please feel free to contact us. We will try our best to solve the problem.
5. We can provide you with the best after-sales service and technical support. If you have any operational or technical questions, we will reply to you within 24 hours.
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