SIMOS CNC / Suzhou Simos wire cut EDM machines and components

CNC wire cut EDM machines and precision assemblies from SIMOS CNC / Suzhou Simos deliver accurate multi-cut profiling across tool steels, extrusion dies, and metal stamping tools.

SIMOS DK77 Series CNC wire cut EDM machines

Medium-speed wire cut EDM machines from SIMOS CNC (Suzhou Simos) in the DK77 series deliver dependable multi-cut profiling across tool steels and hard carbide alloys. Heavy HT250 iron frames maintain geometric stability and precision under prolonged production shifts.

Models DK7725, DK7735, DK7745, and DK7750 with worktable travel to 500x630 mm
Multi-pass wire cutting with molybdenum wire achieving surface finish Ra 0.8 um
Industrial PC CNC control cabinet running AutoCut software and pulse generator
Thermally treated iron bed structure engineered for high vibration damping

DK-77 wire guide roller blocks and wheel assemblies

Precision wire guide roller blocks from SIMOS CNC (Suzhou Simos) maintain smooth molybdenum wire transport across DK-77 series machines. Equipped with high-precision NSK bearings, these guide assemblies withstand abrasive EDM sludge and dielectric liquid spray.

Dual-axis 42 mm guide roller block assemblies engineered for DK-77 units
Single-axis 31.5x22 and 31.5x32 mm roller assemblies for uniform wire tension
High-precision NSK rolling bearings delivering minimal radial deflection
Corrosion-resistant guide wheels featuring hardened wear surfaces

Carbide power feed contacts and DK SCT electrical feeders

Carbide power feed contacts from SIMOS CNC (Suzhou Simos) in the DK SCT configuration deliver efficient high-frequency pulse energy to the moving molybdenum wire. The dense carbide material offers high electrical conductivity and resistance to electrical arc erosion.

Wear-resistant cemented carbide feeder plates engineered for long run times
Stable electrical conductivity minimizing arc degradation of the wire
Standardized mounting geometry for swift replacement during plant upkeep
Fluid cooling channels directing dielectric flow across the contact interface

Precision diamond and ruby wire guides for EDM equipment

Precision diamond and ruby wire guides from SIMOS CNC (Suzhou Simos) stabilize molybdenum wire alignment inside the machining envelope. The calibrated aperture maintains vertical wire orientation, dampening vibration during high-feed multi-pass cutting cycles.

Monocrystalline diamond guide inserts with calibrated wire hole diameters
Synthetic ruby guide nozzles offering exceptional friction resistance
Low frictional drag preventing micro-scratches on thin molybdenum wire
Precise wire string positioning supporting taper cutting and multi-pass work

Handheld controllers, frequency inverters, and Panasonic servos

Electronic modules from SIMOS CNC (Suzhou Simos) encompass handheld operator pendants, frequency inverters, and Panasonic AC servo drives. These control units coordinate smooth axis motions and regulate molybdenum wire drum rotation with high repeatability.

Ergonomic handheld control pendants equipped with jog motion buttons
Variable frequency inverters for smooth wire drum acceleration and braking
Panasonic AC servo motors driving coordinate axes X, Y, U, and V reliably
Shielded industrial interface cabling resistant to electromagnetic noise

Dielectric fluid circulation and fine filtration systems

Hydraulic circulation modules from SIMOS CNC (Suzhou Simos) provide dependable fluid pumping and fine filtration of dielectric emulsion. Multi-stage filter elements remove metallic erosion debris, stabilizing spark gap dielectric properties during machining.

Replaceable cartridge filters achieving fine filtration down to 5 microns
High-pressure immersion pump units delivering steady dielectric flow to gaps
Stainless steel coolant reservoirs with internal sludge settling weirs
Adjustable coolant nozzles directing pressurized fluid into cutting paths

Coordinate table kinematics and multi-cut strategy across DK77 machines

Wire cut EDM machines from SIMOS CNC (Suzhou Simos) in the DK77 series utilize advanced multi-pass profiling technology for tool steels and hard carbide alloys. Heavy HT250 iron frames with internal vibration dampening ribs maintain structural rigidity across travel envelopes reaching 500x630 mm.

Precision linear guideways from Hiwin deliver steady feed motion during both high-speed roughing and delicate skimming cycles.

The four-pass cutting sequence with automated spark gap voltage regulation produces surface roughness Ra down to 0.8 um, reducing thermal zone alterations and avoiding secondary contour grinding steps.

Wire transport mechanics and upkeep of DK-77 guide roller assemblies

Precision wire guide roller blocks from SIMOS CNC (Suzhou Simos) on DK-77 machines support smooth molybdenum electrode wire motion through the cutting area. Single-axis and dual-axis roller assemblies in 31.5 mm and 42 mm diameters are machined from alloy steels with micro-polished guide grooves.

Each assembly incorporates high-precision NSK rolling bearings with protective seals that isolate raceways from abrasive erosion sludge and dielectric spray.

Routine bearing flushing, axial clearance checks, and planned roller replacement eliminate wire runout, ensuring consistent cut squareness and edge straightness.

Electrical spark contact dynamics and carbide power feeder endurance

Cemented carbide power feed contacts from SIMOS CNC (Suzhou Simos) in the DK SCT configuration direct intense high-frequency pulse currents into moving molybdenum wire electrodes.

Fabricated from fine-grained tungsten carbide composites, these contact elements resist electrical discharge pitting while maintaining low contact resistance.

Regulated contact pressure combined with continuous dielectric fluid cooling prevents localized wire overheating and micro-cracking along the contact face.

Symmetrical mounting geometry allows operators to index or shift the contact block when a groove develops, extending service life before replacement.

Diamond wire guide alignment and spatial wire orientation accuracy

Precision diamond wire guides from SIMOS CNC (Suzhou Simos) ensure rigid spatial positioning of the wire electrode during taper and vertical cutting.

Monocrystalline diamond inserts provide high hardness and low frictional drag, preventing orifice enlargement from prolonged contact with 0.18 mm molybdenum wire. Precision entry and exit lead-in radii guard against wire kinks or breakage during rapid coordinate directional shifts.

Rigid guide retention stabilizes wire tension, maintaining tight geometric tolerances and angular fidelity when machining complex stamping punch profiles.

Handheld operator pendants and Panasonic AC servo drive coordination

The electronic control architecture for SIMOS CNC (Suzhou Simos) EDM machines unites handheld pendants, variable frequency inverters, and Panasonic AC servo drives.

The handheld operator pendant simplifies workpiece setup, electrical edge touch-off detection, and manual jogging down to one-micron increments. Dedicated inverter units govern smooth acceleration and rapid reversal of the molybdenum wire winding drum, dampening mechanical shock.

Panasonic AC servo motors drive coordinate axes with high-resolution feedback, eliminating kinematic positioning drift across multi-hour cutting runs.

Dielectric fluid pumping circuit and spark gap stabilization methods

The dielectric delivery and filtration system on SIMOS CNC (Suzhou Simos) EDM machines maintains continuous chip evacuation from the spark discharge gap. A high-pressure immersion pump feeds deionized dielectric emulsion through adjustable nozzles directly into top and bottom kerf openings.

Cartridge filter units rated down to 5 microns capture metallic erosion debris, preserving consistent dielectric strength and preventing secondary electrical arcing.

Continuous fluid maintenance and correct anti-corrosion chemical balance prevent workpiece oxidation and prolong the operational lifespan of machine components.

SIMOS CNC / Suzhou Simos and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of SIMOS CNC / Suzhou Simos and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.