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Erwin Junker Machinery, Inc.



Phone: 847-488-0406
Fax: 847-488-0436

Please visit: Erwin Junker Machinery, Inc.

Mailing Address:
2541 Technology Dr.
Ste. 410
Elgin, IL 60124 US



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Erwin Junker Grinding Machines

A Special Message from Erwin Junker Machinery, Inc.

Visit us at IMTS 2016

Company Profile

The JUNKER Group

The companies which make up the JUNKER Group develop, produce and sell precision grinding machines for the metalworking industry, as well as air filters for industrial air purification. A global workforce of 1400 employees is actively working to secure the success of the JUNKER, ZEMA and LTA brands.

JUNKER has been instrumental in shaping today's grinding industry with high-speed grinding machines and ground-breaking inventions since 1962. Today, JUNKER is the world market leader in the manufacturing of CBN grinding machines. Their fields of application range from crankshafts to screw taps. The Group's customers are located anywhere ultra-precise metal grinding is vital – predominantly in the automotive engineering and tool industries.

ZEMA, founded in 1953, employs a workforce of over 80 and produces CNC grinding machines with corundum grinding wheels. The traditional Brazilian company draws on ingenious machine concepts for grinding transmission, turbocharger and cardan shafts as well as grinding the flange and journal on crankshafts. Its customers come predominantly from the automotive engineering industry and its suppliers, as well as from tool building. ZEMA has been part of the JUNKER Group since February, 2015 and utilizes the Group's worldwide sales and service network accordingly.

LTA Lufttechnik GmbH is a technological leader in filtration solutions. The air flow specialists research, develop and manufacture filtration systems for industrial air purification.


Product Categories of Erwin Junker Machinery, Inc.

  • Dust Collectors & Air Filtration
  • Grinding Machines, Centerless
  • Grinding Machines, Cylindrical OD
  • Grinding Machines, Disc, Single or Double
  • Grinding Machines, Internal Cylindrical
  • Grinding Machines, Profile
  • Grinding Machines, Thread
  • Grinding Machines, Tool, Cutter & Drill Point
  • Grinding Machines, Universal (ID/OD)
  • Superabrasive Machining Systems

Trade Names

  • BB 10 CNC
  • DRILLMAT
  • EJ
  • FLEXA
  • FLUTEMAT
  • GRINDSTAR
  • HARDPOINT
  • INTERTRONIKA
  • JUCAM
  • JUCENTER
  • JUCENTRIC
  • JUCRANK
  • JUFLEX
  • JUMAT
  • JUMAXIMAT
  • JUMINIMAT
  • JUPITER
  • JUSTAR
  • KARGO
  • Lean Selection allround
  • Lean Selection cam
  • Lean Selection speed
  • NAJ I/B
  • NUMERIKA
  • PLATEMAT
  • QUICKPOINT
  • QUICKPOINT Blank
  • RELIEF EXPERT
  • SATURN
  • SYNCHRO
  • TAPOMAT
  • TITAN

As seen in MMS

Junker Group Receives Second Supplier Award in China
The group says it is the only European machine builder to receive the award twice in as many years.

February 2016 Product Spotlight Slideshow: Grinding
This month’s Modern Equipment Review Spotlight focuses on grinding machines of various capacities.

Large-Part Grinding: Two Key Technologies
Developments in steady rest and in-process measurement technologies enable effective grinding of huge crankshafts.

Junker Group Acquires Majority Share in ZEMA
The Germany-based group now offers both CBN and corundum grinding solutions.

February 2015 Product Spotlight Slideshow: Grinding
Click through this slideshow for a sampling of grinding equipment, ranging from hand tools and abrasives to complete grinding systems.

Faster Setup for Centerless Grinders
The new series of Jupiter centerless cylindrical grinding machines from Erwin Junker Machinery (Elgin, Illinois) addresses the limitations to applying this process to small- to medium-sized batches.

High Speed Grinding Machine for Shaft Production
Erwin Junker Machinery will display the Quickpoint high speed grinding machine for gear shaft production.

Cylindrical Grinding Machine Features Three Spindles
Junker’s all-round machine series features a high-precision B axis with automatic stepless positioning for versatility, while three high-performance spindles enable ID and OD grinding operations.

When Does Hard Turn/Grind Make Sense?
Combining different operations on a single machine tool platform is an attractive and increasingly popular idea. It is in practice, however, not always a plug and play substitution. Optimizing distinct metalcutting operations into a single cycle takes planning and a good understanding of the pluses and minuses of each.

One Stop Milling, Drilling, Turning And Grinding
Many shops, in an effort to reduce the handling of workpieces and get takt times (time spent in the cut) as low as possible, are looking to streamline this traditional hurry-up-and-wait process scheme.

What Is Single Point OD Grinding?
Two enabling technologies -- superabrasive wheels and high precision servo control -- come together to provide a contour grinding process that resembles an OD turning operation. For many medium volume OD grinding applications, this method may be a means to consolidate several manufacturing steps into a single setup.