This standard specifies the spindle end connection dimensions of circular sawing machines. This standard applies to general-purpose circular sawing machines.
JB/T 3866.2-1999 history
2011JB/T 3364.4-2011 Circular sawing machine.Part 4: Connected dimensions at head of the principal axis
1999JB/T 3866.2-1999 Circular saw machine Coupling dimensions of main shaft end
JB/T 3866.2-1999 Circular saw machine Coupling dimensions of main shaft end was changed to JB/T 3364.4-2011 Circular sawing machine.Part 4: Connected dimensions at head of the principal axis.