Case Study
Workplace design for a lathe operator in production


The industrial company operates with its 48 employees in the field of metal cutting - of the 48 employees are 6 severely disabled

Disability and functional limitation of the employee:

The man has a bladder disease and has an artificial Harnleiterausgang to the right abdominal wall side.. For collecting the urine he wears a urine bag with catheter body. It should not be used for disability-related activities that require frequent and heavy load transport. This is especially true when working postures that require bending and stooping and thus lead to increased pressure in the abdomen. The degree of handicap (degree of disability) is 80

Education and work:

The man is a trained Dreher and two years working for his employer

Workplace and work duties (actual status):
The Turner working on a CNC lathe, are processed on the work pieces weighing up to 5 kg in a relatively high clock rate. Inserting or removing the workpieces, the machine door to be opened. With far outstretched arm posture and body bent then the workpieces are removed from the chuck and placed next to the CNC lathe in storage boxes on the floor. Then new workpieces from other storage bins must be removed from the ground, excited by means of the chuck, the machine door closed and the machining program to be started.
Some of the machined workpieces bullet points remeasured before they are placed in the storage bins. The workpieces and measuring equipment must be kept in the hands.
The activity is associated with frequent load handling, unfavorable movements or postures. Disability Due lead the existing work requirements or working conditions to increased loads and thus to a physical overtaxing

Workplace and work duties (desired status):
The company wants two new jobs to vertical single-spindle turning centers (machining centers) with tool carrier systems, quality assurance system, workpiece storage and transport system, reversing unit and refrigerant and disposal system set up. At one workplace of the severely disabled Dreher is to be used and take over the setting of the machine, the tool change and the material feed and discharge material. In the machining center the hub discs are to be machined, having a weight from 1.8 to 2.1 kg. The brake disk hub to be removed from a lifting table of a storage container and placed in the receiving device of the workpiece store. The lift table can be positioned to an ergonomic retrieval height. The workpieces or hub brake discs in the work memory are processed from the first station and transported automatically to the mechanical transfer and turning station from the work memory. Here, the workpiece is collected mechanically, turned over and loaded into the memory of the second machine. After the processing in the second machine, the workpieces are pulled from the tape and placed in a measuring device. For this purpose, the workpieces must not be raised, but are pushed over a roller conveyor into the measuring device. After checking the dimensions of the workpieces are pushed through a roller conveyor onto a conveyor belt and deposited on another lifting table in storage bins. The storage bins are located on the lifting table on pallets and can be positioned with the aid of the lifting table to an ergonomic tray height also

Assistive devices used:

intermittent catheters inserted through the urethra
urine bag without drain hole
urine bag with drain hole
lifting and positioning systems (lifting tables)

Further Information

A rationalization advantage in promoting through the integration office can generally be assumed. However, to find an appropriate grant, there was only the possibility of an economic consideration. A comprehensive consideration of the uncertainties of this investment decision can be carried out for example with a sensitivity analysis. This was not because of the lack of opportunities in the integration office with a reasonable amount of time feasible. What still remained was the capital budgeting method in the dynamic process of the net present value method. After the investment is in the 6th to 7 Year positively.
If the Company grants to the total investment by the Integration Office, a subsidy of 10%, the positive point is shifted towards the end of the 4th Use Year.
Based on capital with this technological risk and risk associated with the contract, an operating time of 4 years to positive operating results is just possible limit. The company was therefore the integration office for a grant in the amount of 10% of the costs incurred, the jobs for 6 years were bound as severely handicapped parking.

ICF Items

Reference Number:


Last Update: 21 Jun 2011