) 從輸送帶帶尾向后,測量接頭長度加允許修邊長度的距離 FROM END OF BELT, MEASURE BACK LENGTH OF SPLICE PLUS TRIM ALLOWANCE.
b) 使用丁字尺劃線USE SQUARE AND STRAIGHT EDGE TO DRAW MASTER LINE.
) 將丁字尺沿輸送帶對面的邊放置,來檢查主線。在每個(gè)邊緣劃分搭接長度,并檢查兩個(gè)對角線的長度是否相等。CHECK MASTER LINE BY LAYING SQUARE ALONG OPPOSITE EDGE. MARK OFF BIAS LENGTHS ON EACH EDGE AND CHECK THAT TWO DIAGONAL LENGTHS ARE EQUAL. 準(zhǔn)備相對的帶尾,向后折疊,重復(fù)上述工序,確保另一帶尾上的斜線是在對邊上。TO PREPARE OPPOSITE END, FOLD BELT BACK AND REPEAT PROCEDURE. MAKE SURE BIAS IS ON OPPOSITE EDGE ON OTHER END.