| 摘要 |
FIELD: machine building.SUBSTANCE: invention relates to main frame and machine with said main frame. Main frame (10) comprises front frame (21), rear end frame (22), opposite first and second side frames (23, 24) extending between the front frame and the rear end frame. connecting the front frame with the rear end frame. First side frame (23) so as the second side frame (24) are formed, respectively, by the first side plate (25) and the second side plate (26), the second side plate (26) is thicker than the first side plate (25), and at least one hole (27, 28)is formed in the second side plate (26).EFFECT: according to the invention, the first side plate has relatively small thickness, and at least one hole is formed in the second plate which is thicker, and the result is a light weighting and strong frame.8 cl, 2 dwg |
