| 摘要 |
The housing (1) has a wear bushing (4) which can be produced in a simple manner from materials which are difficult to work and process, such as ceramics, can be inserted into the housing and, if required, can also be replaced. The bushing (4) comprises two cylinder shell segments (41, 42) which bear, with their narrow end surfaces, against the inwardly facing annular surface parts of two clamping rings (43, 44) situated opposite each other. These clamping rings are profiled such that a form-fitting connection with the cylinder shell segments (41, 42) results. The clamping rings are in each case radially divided and can be radially spread by means of a radially (or also axially) acting tensing apparatus (45). <IMAGE>
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