Production


	Technology

	Sintering

We produce powder metal parts up to a projected area of 180 mm diameter and 50 mm height. Sintering technology supplies the technologies offered by complex sintered parts with a press force up to 250 t. Depending on the respective requirements, mechanical, hydraulic and multi-axis CNC-machines are used. The own tool production by JOPP guarantees quality and increases flexibility in meeting the customer’s demands.


	Turning

Small lots are produced on CNC-bar lathes. Single-spindle machines with five axes and two-spindle machines with six axes are available. As it does not always meet the economic aspect to work a piece in one operation, JOPP uses SPC-controlled revolving machining centers with up to twelve machining stations. For smaller lots, CNC-machining centers with up to five CNC-axes are available. Turning parts with particularly narrow tolerances are finished on JOPP high precision lathes with hard turning being a standard technology. Six- and eight-spindle turning lathes with mechanical or electronic control produce precision parts from steel of aluminum in medium or large lots.


	Grinding

	In most cases, centerless grinding in combination with the technologies described makes it possible to supply parts ready for assembly.

	Machining centers


	Deburring

	In addition to our varied possibilities of mechanical deburring, treatments like electrochemical deburring ECM, explosion deburring TEM and slide-grinding are used.

	On high-precision machining centres, complex component geometries are machined in up to 5 spindles sequentially (e.g. milling,drilling, taping, sagging, rubbing) in multi- clamping devices. By using a calliper, it can be analysed during process and so a process-sure production be ensured. Furthermore, the accurate clamping of the parts is monitored via air sensoring. A high-precision and efficient production of small to high volumes is guaranteed with this.


	Revolving Machining Centers


	In order to realise short cycle times, Jopp imploys SPS-controlled rotating machining centres for the production of medium and high volumes. Simul- taneously on 11 working stations, there can be imployed up to 3 machining units each. Depending on demand, operating processes like drilling, rubbing, sagging, taping, skimming, milling, deburring in all levels, also with CNC units, are carried out.


	Assembly

The assembly technology used provides an optimum of economic efficiency and automation degree.