Chapter 6 Fastening Operation
PAGE 6-58
Fastening Settings
D-No.000 Fastening Method Standard setting: 0
Sets the Fastening Method.
0: Torque Method, 1: Angle Method
D-No. 001 Fastening Steps Standard setting: 1
The number of steps used in fastening
1: 1-Step Fastening
･ Fastening is performed using D-No. 103 [Standard Torque] or D-No. 202 [Standard Angle] as a
target stopping point (with no stops in between)
2: 2-Step Fastening
･ After fastening is started, the fastening is stopped momentarily at D-No. 105 [1st Torque] or D-No.
203 [1st Angle] before continuing to the target torque or angle. (the stop time between steps
differs by system and may be unnoticeable viewing the spindle rotation).
3: 3-Step Fastening
･ After fastening is started, fastening is stopped momentarily twice, at D-No. 105 [1st Torque] or
D-No. 203 [1st Angle] and at D-No. 109 [2nd Torque] or D-No. 204 [2nd Angle]. After the second
momentary stop, fastening to the set target value is performed. (the stop time between steps
differs by system and may be unnoticeable viewing the spindle rotation).
D-No. 002 Fastening Option Standard setting: 010000
The option used in fastening is set.
*****1: Reverse Before Fastening (can only be used in the single system)
･ Before the start of the fastening operation, reverse rotation at D-No. 405 [Reverse 1 Speed] is
executed for D-No. 505 [Reverse Revolutions before Fastening].
****1*: Fastening Direction CCW
・This is a special fastening option for performing a screw loosening operation or for fastening
left-hand screws, etc. Using this setting, normal rotation is performed in the CCW direction
(counterclockwise direction) and reverse rotation is performed in the CW direction (clockwise
direction).
***1**: Torque Hold Between Steps [NOT USED FOR HFC3000]
･ In 2-step fastening, 1/4 of the Standard Torque setting is maintained upon reaching 1st step (1st
torque, 1st angle) stopping until the subsequent fastening operation is restarted.
･ In 3-step fastening, 1/4 of the torque setting is maintained during the 1st step (1st torque, 1st
angle) and the 2nd step (2nd torque, 2nd angle) until the subsequent fastening operation is
restarted.
**1***: Disable Stored Curve Data Save
･ Disables curve storage (in controller) after the end of fastening (a Reject (NG) curve would still be
stored).
*1****: Disable Angle Count Below Snug Torque
･ Angle measurement is suspended while torque lower than Snug Torque is detected. (Final Angle
will only be reported when torque is at or above Snug Torque)
* When this is “0”, the angle measurement is continued regardless of the value of the torque after
Snug Torque is first detected.
1*****：Option [Not Used]
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