PRODUCTIVE CBN HIGH-SPEED GRINDING

HIGH-PRODUCTION GRINDING FOR LARGE SERIES The JUCENTER CBN high-speed grinding machine combines mutually complementary grinding possibilities under one hood. Instead of lining up individual grinding machines for different grinding tasks, both grinding processes take place in two separate clamping set-ups on one machine. The result: highly efficient grinding – all with top precision. JUNKER · JUCENTER

MACHINE VERSIONS FOR NEARLY EVERY TYPE OF SHAFT Whether it is for camshafts, crankshafts or gear shafts: the JUCENTER machine concept with its two grinding stations sets new standards. Grinding operations can be combined however the customer wants in one JUCENTER by combining different wheelhead versions. This allows for an optimal, workpiece-dependant machine design. THE TECHNICAL CONCEPT JUCENTER allows for two grinding stations on one machine: •• Station 1 is generally for circular grinding with a grinding wheel (i.e. bearing seats on camshafts or main bearings on crankshafts). Station 2 is...

GRINDING CONCEPTS FOR CAM, CRANK OR GEAR SHAFTS GEAR SHAFT GRINDING CRANKSHAFT GRINDING At station 1, JUCENTER grinds plunge-cuts and faces in a high- In station 1, CBN multiple-bearing grinding of all centric diameters speed gear shaft grinding process. With the help of a B-axis, the (bearings and pivot) takes places. Parallel to this, other grinding car- grinding spindle can be swiveled to grind plunge-cuts, as well as riages in the next clamping set-up (station 2) carry out non-circular faces with very fast cycle times. In station 2, multiple-bearing grind- grinding - that is, the grinding...

CAMSHAFT GRINDING Technical Specifications In station 1, sets of bearings are ground with one plunge-cut, using multiple-bearing technology. In station 2, JUNKER offers a versatile so- Workpiece data lution for grinding a variety of cam shapes. By using two independant Center height Swing diameter Clamping length Grinding length infeed axes on station 2 for non-circular grinding, the machine can grind cams with unequal radial alignment just as fast as when using a Workpiece weight between centers Machine data Abrasive Cam shape with concave geometry Polygonal shapes Longitudinal motion Infeed...

JUNKER’S CENTRALIZED CNC SYSTEM CONCEPT A COMPREHENSIVE OPEN SYSTEM The idea: central control technology for all components in the grinding machine. All data and information is entered using the Erwin Junker Operator Panel. On the JUCENTER machines, this makes up the user interface for a FANUC CNC-control system. TELESERVICE – FAST AND EFFECTIVE Your main go-to for all questions and issues is JUNKER Services. When required, all of the available data on the machine status can be analyzed online. JUNKER provides this service to increase machine availability while keeping service costs down. ERWIN...

VARIABLE EQUIPMENT AND INDIVIDUAL OPTIONS INTEGRATED LOADING GANTRY An integrated loading gantry reduces downtimes to an absolute minimum: it picks the blank up from the conveyor, brings it to station 1 and removes the ground part, which is then brought to station 2. The transfer options for blanks and finished parts outside the machine can be defined by the customer. MORE EXPERIENCE – MORE SAFETY JUNKER is a pioneer in the use of CBN grinding wheels for highspeed grinding. This advantage with regards to experience and knowledge makes the company one of the leaders on the market. This is reflected...

EUROPE Erwin Junker Maschinenfabrik GmbH Junkerstraße 2 77787 Nordrach Germany Erwin Junker Grinding Technology a.s. Plant Holice Pardubická 332 534 13 Holice Czech Republic Erwin Junker Grinding Technology a.s. Russia Branch Office Prospekt Tolbukhina 17/65 150000 Yaroslavl Russian Federation Erwin Junker de Mexico, S. de R.L. de C.V. Blvd. Bernardo Quintana #7001 Torre 2, #1203 Centro Sur Querétaro Qro., C.P. 76079 Mexico Erwin Junker Máquinas Ltda. Centro Administrativo Rio Negro Edifício Jaçari - Bloco A 13° andar cj. 132/133 Alameda Rio Negro 585 CEP 06454-000 Alphaville – Barueri, São Paulo...