Heating Element Machinery | Heater Manufacturing Equipment

Manufacturer of heating element machinery: MgO filling, coil winding, bending, reducing & more. Custom industrial equipment engineered in China.

Machinery

Manufacturer of heating element machinery: MgO filling, coil winding, bending, reducing & more. Custom industrial equipment engineered in China.

MAP-02 Automatic Heater Testing Machine

MAP-02 Automatic Heater Testing Machine
The robust design and intuitive touch screen interface make the MAP-02 an indispensable component in any electric heater quality control process seeking maximum efficiency and precision. Its ability to synchronize with the heater swaging machine speed ensures a continuous, uninterrupted workflow, minimizing bottlenecks and maximizing productivity.
View details
CNC Wire Straightening and Cutting Machine

CNC Wire Straightening and Cutting Machine
This wire straightening and cutting machine incorporates a sophisticated servo motor feeding system, positioning it as one of the most advanced rod straightener machines on the market. Its cam-driven cutting method, the most modern available, ensures uninterrupted feeding and continuous cutting, surpassing the limitations of traditional systems. This feature is crucial for maintaining productivity and precision in an automatic wire rod cutter. With this wire straightener offering competitive pricing and exceptional performance, users gain a robust and reliable tool optimized for efficiency and quality in the straightening and cutting of wire across different diameters.
View details
Mechanical Wire Straightening and Cutting Machine

Mechanical Wire Straightening and Cutting Machine
This wire straightening and cutting machine is a fundamental piece of equipment for industries demanding precision and efficiency in metal processing. Capable of handling everything from galvanized wire to copper wire, this wire straightener delivers exceptional performance. Its capacity to straighten and cut with a high feeding speed and millimeter-level precision positions it as a key investment for improving productivity. Whether you need to know how to straighten galvanized wire industrially or are looking for a solution for high-strength heater wire straightening, this equipment provides consistent, high-quality results. Furthermore, models with servo-regulated feeding and high precision are available, adapting to the specific needs of each application and guaranteeing optimal control over the straightening and cutting process.
View details
CNC Uncoiler, Straightener, and Cutter Series XSC

CNC Uncoiler, Straightener, and Cutter Series XSC
The CNC Uncoiler, Straightener, and Cutter Series XSC is a high-precision machine designed for the automated processing of coiled tubes. Its main function is to uncoil, straighten, and accurately cut copper tubes, aluminum tubes, and Bondi tubes to preset lengths. This CNC system guarantees a smooth and efficient operation, producing clean, smooth cuts that are completely free of burrs. The machine is equipped to handle a wide range of diameters and wall thicknesses, adapting to diverse production needs. Its robust design and advanced technology ensure perfect synchronization between tube feeding and the cutting process, preventing inertia-related damage and guaranteeing maximum quality in every piece.
View details
Round Tube Polishing Machine MP-05

Round Tube Polishing Machine MP-05
Discover the versatility and precision of our Round Tube and Cylindrical Bar Polishing Machine, an essential piece of equipment for metal polishing and surface finishing. This machine is specially designed for the precision polishing of parts after lathe machining, guaranteeing a processing precision of 0.02 mm. Its capacity to work with a wide variety of materials, including copper tubes, steel tubes, iron bars, stainless steel tubes, and aluminum tubes, makes it an indispensable tool. Furthermore, its variable frequency speed regulation system for the guide wheel and the fan-powered dust removal system ensure optimal process control and a cleaner working environment. The machine is ideal for polishing the exterior surfaces of steel, wood, rods, and pipe fittings, offering superior results and a notable improvement in the final product quality.
View details
Curved Tube and Bar Polishing Machine MP-04

Curved Tube and Bar Polishing Machine MP-04
Discover the efficiency and versatility of our Curved Tube Polisher, a robust and high-performance solution for polishing round and oval profiles. This industrial polisher is equipped with a 4 Kw motor and operates with a 380V power supply, offering the power needed for demanding jobs. Its compact design, with dimensions of 800x900x1200 mm and a weight of 230 Kg, facilitates its integration into any production line. The machine stands out for its ability to handle processing diameters from 5 to 200 mm and unlimited lengths, adapting to the specific needs of each project. The variable frequency regulation of the guide wheel allows for precise control over the polishing process, while the option of customizable abrasive belts ensures an optimal finish for any type of material or shine requirement. This metal finishing machine is ideal for companies looking to improve the quality of their products and optimize their metal polishing processes with a smart and durable investment.
View details
Tube Internal Polishing Machine MP-03

Tube Internal Polishing Machine MP-03
Experience maximum versatility and efficiency with our Tube Internal Polisher, a robust solution for internal surface treatment. This machine is capable of working with various materials, including stainless steel, special steels, and hydraulic tubes, offering uniform and high-quality internal polishing. Equipped with an optional automatic feeding system and PLC/CNC controller, it optimizes productivity and reduces manual intervention. Its compact design (1000x900x850 mm) and 200 Kg weight facilitate its integration into any production line. The ability to utilize different tools such as abrasive belts, cloth/hemp wheels, drivers, and an adaptable arbor-mounted polishing head makes it the ideal tool for deburring and grinding straight tubes and precision pipes, guaranteeing superior internal wall cleaning and an optimal surface finish.
View details
Industrial Bar Square Tube Flat Surface Polishing Machine MP-02

Industrial Bar | Square Tube | Flat Surface Polishing Machine MP-02
Experience maximum versatility and precision with our iron bar and profile polishing machine. This advanced equipment is designed to process a variety of materials, including square tubes, rectangular tubes, flat bars, angles, and C-profiles, with a polishing precision of up to 0.05 mm. Its capacity to handle pieces from 1×1 cm to 10×10 cm, along with an efficiency of 1 to 12 meters per minute, makes it an indispensable tool for metal carpentry and industrial manufacturing. The incorporation of a dust extraction system and transparent, liftable protective covers ensures a safe and clean working environment, highlighting its commitment to safety and efficiency in the treatment of industrial metal surfaces.
View details
Edge Bending and Forming Machine for Clamp Heaters

Edge Bending and Forming Machine for Clamp Heaters
The edge bending and forming machine (also known as a fluter or metal sheet corrugator) is a precision industrial machine specifically designed for forming the outer chassis of ceramic clamp heaters and collar band heaters. Its main function consists of processing stainless steel strips or sheets (generally SS 304 or similar), applying a continuous profile to the edges to create a toothed, corrugated, or “thread-like” structure. This specialized profiling is a critical step in the manufacture of band heaters, as it gives the metal casing the mechanical flexibility needed to be subsequently bent into a circular shape without compromising its structural integrity. Thanks to this process, the stainless steel sheet can safely house the steatite segments (ceramic core) and the resistance wire, ensuring a perfect coupling on the cylinders of plastic injection and extrusion machines.
View details
HT-B6 Metal Strip Circular Rolling Machine

HT-B6 Metal Strip Circular Rolling Machine
A Circular Metal Bending Machine, also known as a Heater Drum Former or Flat Piece Rolling Machine for band heaters, is specialized equipment used to curve and shape metal strips or sheets into cylindrical or annular configurations. This process is fundamental in manufacturing components that require a curved or circular shape, such as band heater housings or clamp heater elements. The machine applies pressure and rotary motion to the metal strip, guiding it through adjustable rollers to achieve the desired diameter. The ability to adjust the diameter and winding speed allows this Machine for manufacturing clamp heaters to adapt to a wide variety of product specifications, optimizing production and guaranteeing dimensional precision of flat metal parts.
View details
Automatic Tube Bending Machine QUWM (Model HT-B6)

Automatic Tube Bending Machine QUWM (Model HT-B6)
The Automatic Tube Bending Machine QUWM (Model HT-B6) is a new state-of-the-art engineering solution, named QUWM due to its exceptional capability for the precision bending of metal tubes into specific shapes such as Q, U, M, and W. This Q, U, M, W tube bender is ideal for producing complex configurations, whether simple or multiple bends. Its advanced technology integrates servo motor control for managing different structures and a hydraulic or geared motor transmission, guaranteeing smooth and efficient operation. Equipped with a PLC Control System and a touch screen interface, the QUWM (HT-B6) offers intuitive and automated operation, from manual feeding to the automatic completion of the entire bending process. It is the perfect tube bending machine for industries demanding high precision and repeatability in tube forming, especially in the manufacturing of tubular electric heaters with specific geometries.
View details
Tube Bending Machine​

HT-B5 Spiral Resistance Bending Machine
The HT-B5 Tube Bending Machine is a high-performance industrial equipment specifically designed for bending and forming tubes. This versatile tube bending machine specializes in creating complex shapes such as spirals, convolutions (coils), full circles, and semicircles. Its design is based on an interchangeable mold system that allows the operator to quickly and easily switch between different bending types, adapting to production needs with unprecedented agility. The entire operation is governed by a programmable logic controller (PLC), which guarantees millimeter precision, perfect repeatability in each piece, and high production efficiency, minimizing manual intervention and errors.
View details

Recommended for you

Refractory Inorganic Sealant for Electric Heaters

SL8306 Refractory Inorganic Sealant for Electric Heaters
XB-100 Grooving | Crimping | and Sealing Machine for RTD and PT100

XB-100 Grooving | Crimping | and Sealing Machine for RTD and PT100
MI Cable Precision Drilling Machine

XB-90 MI Cable Precision Drilling Machine
Electric Heat Trace Wire Winding Machine

HT-B5 Electric Heat Trace Wire Winding Machine
Industrial Stainless Steel Tube Mill

Industrial Stainless Steel Tube Mill
Stainless Steel Hydraulic Fittings and Connectors

Stainless Steel Hydraulic Fittings and Connectors
Aluminum foil heater with silicone wire

Silicone Wire Aluminum Foil Heating Sheet
Silicone wire non-woven heating pad

Silicone Wire Non-Woven Heating Pad
PVC heating cable

PVC Heating Cable Products
Silicone Heating Cable

Silicone Heating Cable
Thermowell

Thermowells (Temperature Sensor Pockets)
MOPA Fiber Laser Marking Machine

ML-02 MOPA Fiber Laser Marking Machine

Industrial Machinery for Electric Heating Element Manufacturing

Heatecx designs and builds complete industrial machinery for the production of electric resistance heaters and heating elements: from magnesium oxide (MgO) filling to terminal assembly, including coil winding, bending, tube machining, and laser marking. Our range of heating element machinery covers the 20 critical stages of the production process, allowing manufacturers of tubular, cartridge, mineral-insulated (MI), band, and immersion heaters to build partial or fully automated lines matched to their production volume and the materials they process (Incoloy, Inconel, stainless steel, copper, titanium).

Unlike a generic machinery distributor, Heatecx engineers every machine around the specific metallurgy and geometry of heating elements: tube diameter tolerances, the behavior of NiCr resistance wire under winding tension, uniform compaction of MgO powder, and control of thermal distortion during annealing. This vertical integration — we also manufacture the raw materials (wire, MgO powder, ceramics, tubing) these machines process — lets us tune each machine to the material's real-world behavior rather than a generic mechanical spec sheet.

Available Machine Categories

The table below summarizes the 20 machinery families we manufacture, organized by their function within the heating element production process:

Machine

Primary Function

Product Page

MgO Filling Machine

Compaction of magnesium oxide powder inside the metal tube

View machine

Reducing Mill

Diameter reduction and core densification after MgO filling

View machine

Coiling Machines

Precision winding of resistance wire (NiCr, FeCrAl) onto a core or mandrel

View machine

Bending Machines

Forming of tubes and flat heaters into curved or helical geometries

View machine

Straightening Machines

Correction of residual curvature in tubes and wire prior to machining

View machine

Trimming Machine

Precision machining of ends and threads on tubular heaters

View machine

Polishing Machines

Surface finishing (satin to mirror) of tubes and metal profiles

View machine

Deburring Machines

Burr removal after cutting on tubes and metal profiles

View machine

Tube Cutting

Precision dimensional cutting of metal tubes prior to filling or machining

View machine

Tube Drawing Machines

Diameter reduction and dimensional tolerance adjustment of tubes

View machine

Tube Mills

Tube forming from coiled sheet metal (tube milling)

View machine

Welding Machines

Seal welding at tube ends and terminal joining

View machine

Annealing Machine

Heat treatment to relieve stresses introduced during forming

View machine

Vulcanizing Machines

Vulcanization of silicone and elastomer compounds in cables and heating pads

View machine

Heating Element Terminals

Automated assembly of terminal pins onto the resistance coil

View machine

Feeders And Testing

Automated part feeding and electrical continuity/insulation testing

View machine

Marking Machines

Permanent laser marking of batch code, logo, and technical data on the finished part

View machine

Temperature Controllers

Data loggers and PID controllers for in-plant process monitoring

View machine

MI Cable Machinery

Specialized line for mineral-insulated cable: drying, cutting, powder extraction

View machine

Multi-Tasking

Stations that integrate several operations (winding, welding, testing) into a single unit

View machine

The Heating Element Manufacturing Process, Stage by Stage

Manufacturing a tubular heating element follows a fairly standardized production sequence across the industry, though the degree of automation varies enormously between a manual workshop and a high-volume plant:

  1. Tube and wire preparation. The metal tube is cut to length with a tube cutting machine and, if needed, its diameter is adjusted with a tube drawing machine. In parallel, the resistance wire is wound onto ceramic supports using a precision coiling machine.
  2. Insertion and filling. The resistance coil is centered inside the tube and compacted with MgO powder using the filling machine, ensuring homogeneous electrical insulation and high thermal conductivity.
  3. Reduction and compaction. The reducing mill decreases the tube's outer diameter, densifying the MgO and eliminating air gaps that would otherwise shorten the element's service life.
  4. Geometric forming. Depending on the final design, the heater is bent or coiled into a spiral using a bending machine, taking the shape required by the application (fryer, boiler, oven, injection mold).
  5. Heat treatment. Annealing relieves the mechanical stresses introduced during forming, preventing microcracks that would cause premature insulation failure.
  6. End machining. The trimming machine machines the ends for sealing and terminal assembly, holding tolerances that guarantee a hermetic fit.
  7. Terminal assembly. The terminal machine joins the terminal pin to the resistance coil, typically with integrated welding, leaving the heater ready for electrical connection.
  8. Sealing. Heating element sealant is applied at the ends to prevent moisture ingress, a critical step for the component's service life.
  9. Surface finishing. Polishing, deburring, and ultrasonic cleaning remove burrs and oxides, leaving a surface suitable for food-contact or controlled environments.
  10. Marking and traceability. Laser marking engraves batch code, rated voltage, and logo, meeting traceability requirements for export.
  11. Final testing. The feeder and testing station runs insulation resistance, electrical continuity, and dielectric strength tests before packaging.

Automation Levels and Control

Level

Description

Typical Control

Recommended Scenario

Manual

Operator controls each parameter directly

Switches, analog potentiometers

Prototyping shops, very short runs, or highly customized parts

Semi-automatic

Machine executes the cycle; operator loads/unloads and adjusts parameters

Basic PLC + monochrome or touch HMI

Medium-volume production, multiple product formats on the same line

Automatic

Full cycle with no manual intervention, automated feeding

Industrial PLC + color touch HMI + servo motors

High-volume series production, stable product format

Integrated / multi-function

Several consecutive operations on a single station

PLC with programmable recipes, batch traceability

Lines with limited floor space or seeking to reduce handling between stages

Depending on the model, Heatecx machines incorporate servo traction motors for winding and tube feed (ensuring constant tension and dimensional repeatability), PID controllers for thermal processes (annealing, drying, vulcanizing), and vision systems or proximity sensors for in-line quality control. Electrical cabinet protection ratings are typically specified as IP54 for standard workshop environments and IP65 where MgO dust or process liquids are present.

Selection Criteria

Criterion

Technical consideration

Target production volume

Determines whether a manual cell, semi-automatic station, or fully integrated automatic line is appropriate

Tube diameter and material

Each machine has a working range (mm) and material compatibility (stainless steel, Incoloy, copper, titanium) that must be checked against the product catalog

Product format mix on the same line

A mix of formats favors semi-automatic machines with fast tooling changeover over rigid 100% automatic lines

Available floor space

Multi-function stations reduce footprint but increase the impact of a machine stoppage on the entire line

Available electrical supply

Verify voltage (220V/380V/440V three-phase), frequency (50/60 Hz), and contracted power before specifying high-consumption equipment (annealing, welding)

Required traceability level

Export to regulated markets (EU, US) typically requires laser marking and batch-level process parameter logging

After-sales support and spare parts availability

Especially relevant for wear parts: cutting dies, rolling rollers, welding nozzles

Comparison: Manual vs. Semi-Automatic vs. Automatic

Aspect

Manual

Semi-Automatic

Automatic

Initial investment

Low

Medium

High

Labor required

High, specialized operator per station

Medium, one operator can supervise several stations

Low, general line supervision

Dimensional repeatability

Variable, depends on operator skill

High within each cycle

Very high, tolerances controlled by servo and sensors

Flexibility for format changes

Very high

High with tooling change

Low to medium, requires reprogramming or cell change

Typical payback period

N/A (low capex)

Medium term

Recovered through sustained volume

Common Failure Modes and Preventive Maintenance

Common failure

Typical cause

Preventive measure

Loss of winding tension

Worn tensioning roller or wire spool brake

Periodic inspection of the braking system and roller replacement based on usage hours

Irregular burrs or cuts

Worn cutting blades or dies

Consumable replacement plan based on cutting cycles, not just calendar time

Uneven MgO compaction

Miscalibrated filling pressure or residual moisture in the powder

Periodic calibration of the filling system and moisture control of stored MgO

PID drift during annealing

Degraded or miscalibrated temperature sensor

Annual thermocouple calibration and cross-check against a reference instrument

Intermittent PLC/HMI faults

Loose connections, conductive dust inside the electrical cabinet

Scheduled cabinet cleaning and verification of the declared IP protection rating

Misalignment on welding machines

Worn electrodes or nozzles

Consumable replacement per manufacturer recommendation and periodic geometric check

Applications by Industry

Industry

Typical use of the machinery

Home appliances

Production of heating elements for ovens, water heaters, fryers, and irons

Boilers and industrial heating

Manufacturing of immersion tubular heaters for boilers and tanks

Plastics injection molding

Hot-runner heaters produced with precision spiral bending machines

Food processing

Heating elements for industrial ovens and sterilization equipment, finished for food-contact suitability

Metallurgy and heat treatment

High-power heaters for annealing, quenching, and casting furnaces

Petrochemical

Heat tracing and immersion heaters manufactured to standards for classified areas

Semiconductors and electronics

Precision heating elements for controlled thermal process equipment

Application Case

A regional manufacturer of tubular heating elements for home appliances, producing approximately 8,000 units per month, was running independent manual winding and filling stations. The main bottleneck was variability in MgO filling, which generated a rejection rate of nearly 9% due to insufficient electrical insulation. After installing an automatic filling machine with real-time pressure control, integrated with a trimming machine for end machining and an automated testing station, the manufacturer cut rejections to under 1%, reduced per-unit cycle time by approximately 35%, and standardized batch-level process parameter logging — a requirement that allowed it to qualify as an approved supplier for an export customer.

Why Choose Heatecx

  • Direct manufacturer, not a middleman. We design and build the machinery in our own Shenzhen facility, allowing genuine tooling and process-parameter customization.
  • Vertical integration. We also manufacture the raw materials (resistance wire, MgO powder, ceramics, tubing) these machines process, giving us insight into material behavior that a generic machinery builder doesn't have.
  • Engineering support. Our technical team advises on line configuration based on the customer's final product, not just on selling a standalone machine.
  • 100% batch testing. Every machine is individually tested before shipment, with operating parameters logged.

Related Links

Individual machines let you automate the specific bottleneck in an existing plant, while a complete line integrates every stage under a single workflow and control system, reducing manual handling between stations but requiring greater upfront investment and layout planning.