Precision CNC Rotary Transfer Machines Built for Mass Production

KesTECH has engineered high-precision rotary transfer machines since 1986, serving automotive, medical, and electrical manufacturers who require sub-0.03mm tolerances at high-volume production rates.

🏭 Founded 1986 in Turkey ⚙️ ±0.02mm Precision (ZERITH) 🔄 Up to 100,000 RPM Spindle 🌍 IMTS 2026 Exhibitor
40 yrs
Rotary transfer machine expertise
±0.02mm
ZERITH series positioning accuracy
100,000 rpm
TURVEX DDM-65 max spindle speed
40/yr
Annual production capacity

Background Knowledge

What Is a CNC Rotary Transfer Machine?

Understanding the technology helps clarify why KesTECH transfer machines are chosen over machining centers for high-volume precision manufacturing.

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Rotary Transfer Concept

A rotary transfer machine indexes multiple workpiece pallets around a central table, with fixed machining stations performing simultaneous operations. This parallel processing model delivers dramatically shorter cycle times than sequential CNC machining.

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Why Precision Matters

Automotive, medical, and electrical components require tolerances that cannot vary batch-to-batch. KesTECH's hydrostatic spindle bearings and servo-driven linear guides maintain ±0.001mm positioning repeatability, ensuring every part meets spec.

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When to Choose a Transfer Machine

Transfer machines outperform machining centers when annual volumes exceed ~50,000 identical parts, when cycle time is constrained, or when multiple faces must be machined without manual repositioning.

Product Lines

KesTECH Rotary Transfer Machine Product Lines

Four product lines address the full precision and scale spectrum, from ultra-high-precision aerospace/medical work to rugged, high-volume automotive mass production.

Ultra-Precision Series

ZERITH

The ZERITH is KesTECH's highest-technology transfer machine, purpose-built for parts requiring tolerances of ±0.02mm and below. Its 2nd-generation Micron series spindles use cylindrical hydrostatic bearings, a quadruple rear bearing system, and dual servo-driven linear guides to achieve 0.001mm positioning repeatability. Ideal for stainless steel, aerospace-grade alloys, and demanding medical components.

  • Positioning repeatability: 0.001mm
  • Tolerance capability: ±0.02mm and below
  • Spindle: 2nd-gen Micron series with hydrostatic cylindrical bearings
  • Quadruple rear bearing + dual servo-driven linear guides
  • Materials: stainless steel, hard alloys, medical-grade metals
  • Industries: aerospace, automotive, medical
KesTECH ZERITH CNC rotary transfer machine with integrated robot loading
Performance Series

MULTIVEXA

The MULTIVEXA delivers the optimal balance of performance and cost for high-volume production requiring ±0.03mm precision. Its robust body design minimizes frame deflection, ensuring high stability and long service life. The MULTIVEXA is the workhorse of automotive production lines.

  • Tolerance capability: ±0.03mm
  • Robust body design for minimal frame deflection
  • High stability for high-volume production cycles
  • Long service life with low-maintenance design
  • Ideal for automotive transmission, engine, and chassis components
  • Available in multiple station configurations
KesTECH MULTIVEXA CNC rotary transfer machine with tool cabinet and chip conveyor
Micro Series

TURVEX

The TURVEX is an ultra-compact transfer machine for micro-scale components. At its core is the DDM-65 Direct Drive Spindle, offering speeds from 12,000 to 100,000 rpm. Its modular design enables complex multi-operation processing in a minimal footprint, suited to medical micro-parts, dental components, and precision electronic assemblies.

  • DDM-65 spindle: 12,000 to 100,000 rpm
  • Ultra-compact footprint for small-parts production
  • Direct Drive Spindle (no belt/gear losses)
  • Modular design for flexible operation configuration
  • Applications: medical micro-parts, dental, electronics
  • High-speed cycle times for micro-component production
KesTECH TURVEX CNC transfer machine with bar feeder
Custom Engineering

SPECIAL: Custom Transfer Systems

With 500+ custom transfer machines and systems built since 1986, KesTECH offers complete engineering-to-delivery custom solutions. The SPECIAL line includes multi-axis CNC milling machines, dual-spindle CNC lathes, chipless tube cutting machines, hydraulic presses, and panel radiator processing machines.

  • 500+ custom machines designed and built
  • Multi-axis CNC milling configurations
  • Dual-spindle CNC lathes
  • Chipless tube cutting machines
  • High-performance hydraulic presses
  • Panel radiator and towel warmer processing machines
KesTECH custom-engineered tube processing line from the SPECIAL range

Industry Applications

Industries Served by KesTECH

KesTECH rotary transfer machines are deployed wherever high-volume precision machining of metal components is critical.

🚗 Automotive Manufacturing

Transfer machines machine transmission components, engine parts, brake components, and chassis elements at production rates that individual machining centers cannot match.

  • Transmission gears & valve bodies
  • Engine block components
  • ABS & brake system parts
  • Fuel injection system parts

🏥 Medical Device Manufacturing

The ZERITH and TURVEX series address extreme precision and surface finish requirements of medical implants, surgical instruments, and diagnostic equipment.

  • Orthopedic implant components
  • Surgical instrument parts
  • Dental prosthetics
  • Diagnostic device housings

⚡ Electrical & Electronics

Connectors, terminals, relay housings, and precision electronic enclosures require high-volume machining with tight dimensional tolerances.

  • Electrical connectors & terminals
  • Relay and switch housings
  • Motor components
  • Electronic enclosures

🔧 General Precision Manufacturing

Any manufacturer producing 50,000+ identical metal parts per year with multi-face machining requirements benefits from KesTECH's rotary transfer architecture.

  • Hydraulic valve bodies
  • Pneumatic fittings
  • Precision fasteners
  • Sensor housings

Why Choose Us

Key Differentiators: Why Manufacturers Choose KesTECH

These are the technical and operational advantages that set KesTECH rotary transfer machines apart from general-purpose machining centers.

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40 Years of Specialized Expertise

Founded in 1986, KesTECH has focused exclusively on transfer machine technology for four decades. That depth of expertise is something generalist machine tool builders cannot replicate.

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In-House Spindle Design

KesTECH designs and manufactures its own spindle units (Pro Max, Micron, DDM Micro series), giving full control over the most critical element of machine precision and reliability.

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Sub-0.001mm Repeatability

The ZERITH series achieves 0.001mm positioning repeatability through hydrostatic bearings and servo linear guides, meeting the tightest aerospace and medical tolerances.

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100,000 RPM Capability

The TURVEX DDM-65 spindle reaches 100,000 rpm via Direct Drive, enabling micro-cutting speeds required for medical and electronic miniaturized components.

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40 Machine Annual Capacity

Backed by a €6M facility investment, KesTECH has scaled to 40 machines per year, ensuring lead time reliability for production-critical orders.

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Global Exhibition Presence

KesTECH exhibits at EMO Hannover, AMB Stuttgart, MECSPE, and IMTS, demonstrating live machine performance to a global audience of manufacturing engineers.

Frequently Asked Questions

Common Questions About KesTECH

Answers for engineers, procurement teams, and production managers evaluating KesTECH solutions.

What is a CNC rotary transfer machine?
A CNC rotary transfer machine indexes multiple workpiece pallets around a circular table, with dedicated machining stations at each position operating simultaneously. KesTECH models include ZERITH, MULTIVEXA, TURVEX, and custom SPECIAL series.
What precision levels does KesTECH achieve?
The ZERITH achieves ±0.02mm tolerance with 0.001mm positioning repeatability. The MULTIVEXA achieves ±0.03mm for standard high-volume production. The TURVEX addresses micro-scale requirements at up to 100,000 rpm.
Which industries does KesTECH serve?
KesTECH serves automotive, medical device, electrical/electronics, and general precision manufacturing. Automotive is the primary segment; ZERITH and TURVEX address the more demanding medical and electronic applications.
What is the TURVEX DDM-65 spindle?
The DDM-65 is a Direct Drive Motor spindle operating from 12,000 to 100,000 rpm with no belt or gear train, eliminating transmission losses and vibration for ultra-precise micro-scale cutting.
Can KesTECH build custom transfer machines?
Yes. KesTECH has designed and built 500+ custom machines since 1986, including multi-axis CNC mills, dual-spindle lathes, chipless tube cutting machines, and hydraulic presses.
Where is KesTECH located?
KesTECH is headquartered in Gebze, Kocaeli, Turkey, within the TÜBİTAK MAM Technology Free Zone. They exhibit at EMO, AMB, MECSPE, BIEMH, and IMTS.

Find the Right Solution for Your Application

KesTECH's engineering team can assess your annual volumes, tolerance requirements, and part geometry to recommend the right rotary transfer machine configuration.