Suzhou Hanqi CNC Equipment Co., Ltd
Suzhou Hanqi CNC Equipment Co., Ltd. is a high-tech enterprise dedicated to researching and producing various high-precision DIE SINKER EDM and WIRE EDM machines, with industry-leading machining accuracy. Welcome domestic and foreign customers to visit our factory to discuss cooperation!
Why Choose Us
Construction Area
The company currently has a modern factory of more than 20 acres in the high-tech zone of Suzhou City, Jiangsu Province, with a construction area of more than 20,000 square meters, more than 80 employees, and engineers account for 30%.
Our service
24-hour service. The after-sales service in different countries is mainly provided by agents from different countries. If customers need to repair themselves, we can provide relevant spare parts.
Our Certificate
The company has passed the "ISO9001" quality management system certification, won the national "high-tech enterprise", "provincial private technology enterprise", and is the director unit of "China Machine Tool Industry Association Special Processing Machine Tool Branch".
Years Of Experience
Engaged in electric machining research and development services for over 20 years. Fully CNC mirror EDM was successfully developed and put into production. Introduce modern enterprise management mode (enhance soft power).
Advanced processing database, with only input of processing materials, types, areas, roughness, depth, etc., can achieve efficient, low loss, and accurate VDI processing of graphite steel, red copper aluminum.
Mirror EDM machine is an exceptionally precise process that is ideal for forming complex and intricate shapes and is capable of shaping hard metals such as titanium.
Mirror EDM Machine with Lifting Liquid Tank
The mirror EDM machine with lifting liquid tank process, an alternative to sinker EDM machining, works much like a wood band saw using a wire for the cutting process.
The extreme temperatures of the CNC single head EDM machine process rapidly removes excess material from the workpiece by vaporization and melting or spark erosion.
CNC Single Head EDM Machine Single Head EDM Machine
Advanced processing database, simply input "processing material, type, area, roughness, depth, etc." to achieve efficient, low loss, and accurate VDI processing of.
The CNC double head EDM machine process, an alternative to sinker EDM machining, works much like a wood band saw using a wire for the cutting process.
The wire, made of copper or brass, has a high voltage electrical discharge passed through it that makes it possible for the wire to cut through the thickness of the workpiece.
The wire in CNC single axis EDM machine creates a spark in deionized water where conductivity is precision controlled.
Single axis EDM machine uses a single axis (Z-axis) with auto-feeding control system (including servo feed system and parameters control system), other axes are manual control axis (X-axis and Y-axis).
What is CNC Wire EDM Machine
CNC wire EDM machine is a precision machining technique that removes material from a workpiece using thermal energy instead of mechanical force. Wire EDM machine uses CNC technology to control the wire's path with unmatched precision making it an ideal solution for the production of parts with precise dimensions and extremely high tolerances. CNC wire EDM machine can also form an oxide layer on certain cut parts, depending on the material being machined.
Benefits of CNC Wire EDM Machine
Precision and Accuracy
CNC wire EDM machines are renowned for their ability to produce highly precise and accurate components. By using an electrically charged wire to erode material, CNC wire EDM machine can achieve tolerances as tight as ±0.0001 inches. This precision is particularly valuable in industries requiring intricate and delicate components, such as aerospace, medical devices, and electronics.
Complex Geometries and Intricate Designs
One of the standout benefits of CNC wire EDM machine is its ability to create complex shapes and intricate designs that would be challenging or impossible with traditional machining methods. This includes sharp corners, narrow slots, and delicate features.
Material Versatility
CNC wire EDM machine is compatible with a wide range of materials, including hard-to-machine metals like titanium, tungsten, and hardened steel. It can also effectively cut conductive materials, regardless of their hardness or brittleness.
No Mechanical Stress
Traditional machining methods often introduce mechanical stress and heat into the workpiece, which can affect the material properties and lead to deformation. CNC wire EDM machine, however, is a non-contact process that generates minimal heat, preserving the integrity of the material and ensuring high-quality finishes.
Reduced Tool Wear
In conventional machining, tool wear is a significant concern, especially when working with hard materials. CNC wire EDM machine eliminates this issue as the wire used in the process does not wear out like traditional cutting tools. This results in consistent performance and reduces the need for frequent tool changes.
Cost-Effective Production
CNC wire EDM machine can be more cost-effective than traditional machining methods, particularly for complex parts and small production runs. The ability to produce intricate shapes in a single setup reduces the need for multiple machining operations and fixtures.
Threading the Wire: Initially, a thin wire made from materials like brass or coated copper is threaded through the machine and positioned close to the workpiece.
Setting the Path: The wire is programmed to follow a specific path controlled by a CNC (Computer Numerical Control) system, which allows for the creation of complex and precise geometries.
Initiating the Spark
Electrical discharges occur between the wire and the workpiece. The high voltage applied causes sparks that precisely melt and vaporize the material along the wire's path.
Material Removal
As the wire moves through the workpiece, it continuously erodes the metal, creating the desired shape with high precision. The eroded metal particles are washed away by a stream of dielectric fluid, ensuring a clean cut.
Cooling and Flushing:
The dielectric fluid not only cleans the cutting area but also cools the wire and the workpiece, preventing excessive heat buildup that could alter the material properties or dimensional accuracy.
What Types of Shapes can a CNC Wire EDM Machine Produce?
A wire EDM machine is a type of CNC machine that can move along four independent axes to generate taper cuts. For example, a stamping die can be machined with 1/4 degree taper or a mold with one degree taper in some areas and two degrees in another with precision. Extrusion dies or nozzles and horns can be cut with constantly changing tapers. For example, a detailed shape on the top of the work piece can transition to a simple circle on the bottom.
What Materials Can Be Processed with CNC Wire EDM Machine?
|
Material |
Key Characteristics |
|
Stainless Steel |
Corrosion-resistant, strong, conductive |
|
Aluminum |
Lightweight, good conductivity |
|
Brass |
Excellent machinability, good conductivity |
|
Copper |
High electrical conductivity |
|
Titanium |
Strong, corrosion-resistant, conductive |
|
Alloy Steels |
Includes tool steels, hard, wear-resistant, conductive |
|
Carbide |
Extremely hard, wear-resistant, conductive |
|
Inconel |
Superalloy, heat-resistant, corrosion-resistant, conductive |
|
Hastelloy |
Superalloy, corrosion-resistant, conductive |
|
Kovar |
Thermal expansion similar to glass, conductive |
Factors Influencing the Duration of CNC Wire EDM Machine
Material Thickness and Type
Thicker and harder materials require more time to cut through as they may need slower feed rates to ensure precision.
01
Part Complexity
More complex parts with intricate details and tight tolerances demand more time as the wire EDM machine must make slower, more precise cuts.
02
Wire Type
Different types of wires (e.g., brass, coated) can affect cutting speed. Coated wires, for example, can cut faster than uncoated wires.
03
Surface Finish Requirements
Achieving a finer surface finish can require multiple passes, thus extending the machining time.
04
Cutting Settings
Parameters like voltage, current, and pulse frequency are adjusted based on the specific job requirements, influencing how quickly the wire can move through the material.
05
Brass Wire
Brass is typically used in CNC wire EDM machines because it is electrically conductive. Brass, an alloy of zinc and copper is also cost effective and works on a wide variety of materials.
Coated Wire
Coated wires have the usual brass or tungsten wire, coated with another metal like zinc. This is mainly done to improve cutting speeds, enhance the tool life in the case of tungsten, and improve the wear resistance for mass production.
Tungsten Wire
Tungsten wire exists for CNC wire EDM machine because it is a hard and tough electrode. The high tensile strength makes it useful for cutting hard materials of a thicker clearance in wire-cut EDM.
Copper wire
The very first wire used for CNC wire EDM machine was copper. It's easily accessible and highly conductive, but it has a limited cutting speed and low tensile strength.
Diffusion-annealed Wires
The diffusion annealing process helps to create wires with higher zinc content (more than 40% zinc). It involves coating wires with layers of pure zinc. These wires are ideal for mass production and can machine many materials.
Applications of CNC Wire EDM Machine
Aerospace Industry
The aerospace industry requires high precision parts and components, which is why CNC wire EDM machine is widely used in this sector. This machining is used to create intricate shapes and designs in parts for aircraft engines, landing gear, and other critical components. Aerospace parts often require complex geometries and tight tolerances, which can be achieved through wire machining.
Medical Devices Industry
CNC wire EDM machine is an indispensable tool in the medical device industry. Medical implants such as pacemakers, stents, and orthopedic implants require precise shapes and dimensions to function properly. The precision of wire machining ensures that these devices are made to exact specifications, which is critical for their success.
Automotive Industry
The automotive industry requires high-precision parts and components for cars, trucks, and other vehicles. CNC wire EDM machine is used to create molds for plastic injection parts used in manufacturing car interiors and exteriors. These molds require high accuracy and consistency, and CNC wire EDM machine is the best tool for the job.
Mold and Die Industry
The mold and die industry relies heavily on wire EDM for the creation of molds and dies for plastic injection molding. It is used to create complex shapes and designs in these molds, which are then used to produce a wide range of plastic parts. The precision and accuracy of CNC wire EDM machine ensure that the molds and dies are made to exact specifications, which is critical for the success of plastic injection molding.
Electronics Industry
The electronics industry requires precision cutting and shaping of parts for electronic devices such as circuit boards and microchips. CNC wire EDM machine is used to create intricate designs and shapes in parts for these devices. The precision and accuracy of this machining process ensure that the parts are made to exact specifications, which is critical for the performance and reliability of electronic devices.
Keep the CNC wire EDM machine clean by regularly removing debris and residues from the work area, wire path, and coolant system. This prevents build-up that can affect performance and accuracy.
Check and maintain the coolant levels and quality. Regularly filter and replace the coolant to prevent contamination and ensure optimal cutting performance. Replace the wire as needed to ensure consistent cutting quality and avoid CNC wire EDM machine downtime.
Ensure that all moving parts and components are properly lubricated according to the manufacturer's specifications. Regular lubrication reduces friction and wear, extending the CNC wire EDM machines lifespan.
FAQ
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