Direct Drive Rotary

The Leader in Linear Motors

PDDR Direct Drive Rotary Motor Module

High RPM, speed and precision
Peak torque up to 81Nm

Specifications

SPECIFICATION		Model
		PDDR160-40-I			PDDR160-80-I
Performance	Unit
Peak Torque	N.m	40.0			81.0
Continuous Torque @ 100°C*	N.m	13.3			27.0
Peak Power @ 100°C	W	975.5			1851.8
Continuous Power @ 100°C*	W	108.4			205.8
Electrical
Peak Current	A^pk	18.2			38.2
Continuous Current @ 100°C*	A^pk	6.1			12.7
Continuous Stall Current @ 100°C*	Arms	4.3			9.0
Torque Constant	Nm/A^pk	2.2			2.1
Back EMF Constant	V^pk/rad/s	2.5			2.4
Resistance L-L @ 25°C	ohm	3.0			1.3
Coil Resistance L-L @ 100°C	ohm	3.9			1.7
Inductance L-L @ 1kHz	mH	10.4			4.6
Motor Constant @ 100°C	Nm/√W	1.3			1.9
Max. Terminal Voltage	Vdc	400
Thermal
Thermal Resistance @ 100°C	°C/W	0.69			0.36
Max. Winding Temperature	°C	120
Mechanical
Rotor Inertia	kg.m^2	0.0031			0.0052
Motor Weight	kg	13.2			19.0
Number of Pole Pairs	N-S	10.0
Max. Speed*	RPS	8.0			9.0
Max. Axial Load	kg	100.0
Max. Moment Load	Nm	20.0
Axial Run-out (no load)***	um	20/10/5
Radial Run-out (no load)***	um	20/10/5
Parallelism****	um	50/30/20
Resolution (after quadrature)	CPR	A	B (x80)	C (x200)		D (x400)	E (x1000)
		4,096	327,680	819,200		1,638,400	4,096,000
Repeatability**	arcsec	+/-4
Accuracy	arcsec	+/-30

Note:

1. A^pk=1.414*Arms; V^pk=1.414*Vrms.
2. *Ambient temperature 25°C.
3. **Depend on encoder resolution.
4. ***Standard run-out 20um. Contact PBA for 10um and 5um.
5. ****Standard parallelism 50um. Contact PBA for 30um and 20um.
6. Specifications tolerance - inductance +/-30%, all others +/-10%.

Specifications are subject to change without prior notice

Drawings

PDDR 160

MODEL	PDDR160-40-I	PDDR160-80-I
L(mm)	125	187

Part Numbering System

PART NUMBERING SYSTEM

Speed vs Force Plot

Videos

Click to download in MP4 format (1.6MB)

Downloads

The PDDR Series catalog is available for free at the DOWNLOADS section of this site.

The PDDR Series 3D Drawings are available for free at the DOWNLOADS section of this site.

505 Yishun Industrial Park A
PBA Building
Singapore 768733

Tel +(65) 6576 6767
Fax +(65) 6576 6768

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Terms of Sale and Delivery

PBA Systems is a member of the PBA Group of Companies.

The Leader in Linear Motors