Da Jie Electricity Machinery Industrial Co., Ltd.

Electrical Heating Upsetting Machine

Vertical Type Double Head Electrical Heating Upsetter

Fully automatic single head electrical upsetting machine

Horizontal Type Electrical Heating Upsetter (For Flat Plate)

Horizontal Type Electrical Heating Upsetter

Horizontal Type Electrical Middle Section Heating Upsetter

Horizontal Type Electrical Heating Upsetter

Automation Loading & Unloading Upsetter With NC Controller

Electrical Middle Section Heater For Hot Metal Forming

Induction Heating Machine

Friction Welding Machine

Electrical Middle Section Heater For Hot Metal Forming

Automation Loading & Unloading Upsetter With NC Controller

The electrical heating upsetting machine is an industrial piece of equipment specifically designed for metal processing. It concept to use resistance heating combined with mechanical pressure to expand thicken and deform metal bars or plates, facilitating subsequent forging or forming processes.

The following is a core analysis of electrical heating upsetting machine :

1.work concept

Resistance heating:

To use a small current to control a large current passing through the metal, heat is generated by the resistance of the material itself. Combined with a servo motor to switch between multiple pressures to shaping, a specific section is quickly heated to a soft state.

Mechanical extrusion (Upsetting):

While heating, the machine applies axial pressure to extrude the heated part, causing it to soften and expand laterally. This is called "Upsetting" or "gathering" in metal processing.

2.To comparison with Traditional Electric Furnaces and High-Frequency Heating:

Precise Control: It cans precise control of the heating range and volume, to avoid waste of materials and energy.
High Efficiency: Heat Current continuity expands from inside to out, enabling unmanned production when combined with AI automation systems.
Strengthen structure: The forged metal fibers have continuous and tightly packed flow lines, preserving the original material's toughness and increasing work piece strength.
Environment and Cleaner: To compare to traditional electric furnace heating which produce less oxide layer and reduce waste heat and dust generation.

3.Common Application Industries

This type of equipment has using in the manufacture of parts requiring "one-end thickening" or "middle-section thickening," such as:

Automotive Industrial: Engine valves, drive shafts, connecting rods, automotive stabilizer bars, automotive crankshafts.
Hand Tools: Socket tools, long-handled tools, Kitchen knife handles, fishing reels, decorative railings.
Heavy Machinery: Large bolts, agricultural tractor conveyor belts, anchor parts, aerospace components, drill bits for mining industrial vehicles.
Medical Field: Artificial joints

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Electrical upsetting machine uses resistance heating to locally heat and axially press metal workpieces (such as bars, plates, and hollow tubes), causing the heated portion to shrink and enlarge.

The main advantages of upsetting machine :

1.No material waste problem

Through localized upsetting shaping, volume increased only in the necessary areas, eliminating the need for extensive cutting of the entire workpiece of material waste.

2.To Compare With The Other Heating Methods

Flow Line Integrity: The upsetter process to keep the continuous flow lines within the metal, resulting in higher strength, toughness, and fatigue resistance compared to machining.
Dense Structure: High-temperature extrusion eliminates voids and defects within the material, resulting in a denser material structure.
Low Energy Consumption: Achieving optimal shaping quality by minimal power output.

3.Advantages of Unmanned Automated Production and Easy Thermal Conductivity for Molding:

Heating Fast : Utilizing resistance heating, heat diffuses directly from the inside to outside which saving energy and heating quickly.
Low Technical Barrier: To compared with traditional drop hammer forging machines, the upsetting machine require less skill for operators and easier to combine with different automatic system.
Low Impact and Noise: To compare impact force on drop hammer forging machine between upsetting machines which less damage to the factory foundation and lower environmental noise.
Multifunctional Advantages: The upsetting machine can replace the forming function of a punch press which reduce the total investment cost of the production line and improving production efficiency.

4.Processing Accuracy and Stability

Minimal Deformation: Resistance heating allows for precise control of heating length and range, and combined with a precision hydraulic system which can ensure consistent product dimensions and high quality.
Simple Processing: The extruded shape already close to the final product which can shorten the precision processing time.

Innovative three-phase frequency inverter technology to provide constant voltage characteristics, allowing for multi-stage changes in current and voltage during hot extrusion.