GRAESSNER (Right angle gear box)

DYNA GEAR

Company：NIDEC DRIVE TECHNOLOGY CORPORATION

Servo right-angle gearbox

Manufactured by Germany Nidec Graessner Features: right-angle shaft, high-precision, thin and compact, high output, high rigidity, rich variation

Product's data

Size	D37,D55,D75,D90,D115,D130,D140,D160,D190
Reduction ratio	3 / 4 / 5 / 6 / 8 / 10 / 12 / 15 / 16 / 18 / 24 / 30 / 32 / 40 / 50 / 60 / 64 / 80 / 100　Reduction ratio 3-15: single, reduction ratio 16-100: double (with planetary gear reducer)
Nominal output torque	15 ～ 1440Nm
Maximum output torque　＊1	22 ～ 2160Nm
Emergency stop torque　＊2	30 ～ 2880Nm
Nominal input speed	550 ～ 4500rpm
Maximum input speed	4500 ～ 8000rpm
Standard backlash reduction ratio 3-15＊3	D37-D75: 5 arc-min or less, D90-D190: 4 arc-min or less
High-precision backlash reduction ratio 3-15＊3	D75: 3 arc-min or less, D90-D190: 2 arc-min or less
Standard backlash reduction ratio 16-100＊3	D55HR, D75HR: 7 arc-min or less, D90HR-D190HR: 6 arc-min or less
High-precision backlash reduction ratio 16-100＊3	D55HR, D75HR: 5 arc-min or less, D90HR-D190HR: 3 arc-min or less
Allowable radial load ＊4	2200 ～ 22500N
Allowable axial load ＊4	1100 ～ 11250N
Torsional rigidity ＊5	1.3 ～ 126Nm / arcmin
Mounting direction	All direction
Output shaft form	Solid shaft, Dual shaft, hollow shaft, flange shaft
＊1	At max.1000 cycles per hour, please consider reducing factor in the other cases.
＊2	Max.1000 times during the service life of the gearbox
＊3	At the output, at 2% load or max. 10Nm
＊4	Resulting force centre of output shaft at output speed 400 min-1
＊5	At rated torque without coupling

Size	D37,D55,D75,D90,D115,D130,D140,D160,D190	Reduction ratio	3 / 4 / 5 / 6 / 8 / 10 / 12 / 15 / 16 / 18 / 24 / 30 / 32 / 40 / 50 / 60 / 64 / 80 / 100　Reduction ratio 3-15: single, reduction ratio 16-100: double (with planetary gear reducer)
Nominal output torque	15 ～ 1440Nm	Maximum output torque　＊1	22 ～ 2160Nm
Emergency stop torque　＊2	30 ～ 2880Nm	Nominal input speed	550 ～ 4500rpm
Maximum input speed	4500 ～ 8000rpm	Standard backlash reduction ratio 3-15＊3	D37-D75: 5 arc-min or less, D90-D190: 4 arc-min or less
High-precision backlash reduction ratio 3-15＊3	D75: 3 arc-min or less, D90-D190: 2 arc-min or less	Standard backlash reduction ratio 16-100＊3	D55HR, D75HR: 7 arc-min or less, D90HR-D190HR: 6 arc-min or less
High-precision backlash reduction ratio 16-100＊3	D55HR, D75HR: 5 arc-min or less, D90HR-D190HR: 3 arc-min or less	Allowable radial load ＊4	2200 ～ 22500N
Allowable axial load ＊4	1100 ～ 11250N	Torsional rigidity ＊5	1.3 ～ 126Nm / arcmin
Mounting direction	All direction	Output shaft form	Solid shaft, Dual shaft, hollow shaft, flange shaft
＊1	At max.1000 cycles per hour, please consider reducing factor in the other cases.	＊2	Max.1000 times during the service life of the gearbox
＊3	At the output, at 2% load or max. 10Nm	＊4	Resulting force centre of output shaft at output speed 400 min-1
＊5	At rated torque without coupling