Press Hot Forging KB8544

Capacity : 2500 tons,

Number of cont. strokes per min : 70,

Number of single strokes per min : 18,

Ram stroke : 350 mm,

Shut height (ram down) : 890 mm,

Ram adjustment : 10 mm,

Ram dimensions :

left-right : 1090 mm,

front-back : 1150 mm,

Table dimensions : 

left-right : 1200 mm,

front-back : 1400 mm,

Overall dimensions :

left-right : 5585 mm,

front-back : 3750 mm,

height above floor level : 6850 mm,

Press weight : 176.7 tons.

Recond 2021.

Scope of work for repair of KB8544

1.  The frame, ram, pitmans, adjustment levers were checked for cracks with "crack finder" chemicals.

2.  The eccentric check was checked for cracks with ultrasound.  It was machined to clean.

3.  Main bronze bushings were replaced with new.

4.  Bronze bushings of pitmans and adjustment levers were replaced with new ones.

5.  The frame's geometry was checked on the large boring mill.  First, the table and the frame were checked separately, and then after assembly with installed bronze plates.

6.  The shut height adjustment mechanism was modernized to provide constant engagement.  The reading of shut height absolute value is displayed on the operator panel.

7.  Ram guide plates were milled "as clean" and then manually scraped to fit the ram with 80% of contact area.

8.  Clutch bearings were replaced with new ones.

9.  All seals were replaced including hydraulic nuts seals.

10.  All new systems are described in the commercial offer.

     The lubrication system is modified with additional tank for oil collection and 

     cleaning.

11.  All friction materials are replaced with new.

12.  Old paint was completely removed, the press was primed and painted in blue and yellow colors according to RAL.