GM4050-38 Electric Motor Datasheet

	Manufacturer typenumber	GM4050-38
	Manufacturer brand	Glentek Inc.
	Commutation	brush
	Short description of the motor	Servomotor
Performance data
	Maximum rated output power motoraxis	P_rated [W]	1708.000
	Nominal terminal voltage	U_nom [V]	120.000
	Motorconstant at standard temp. 22 ^oC	k [^Vs/_rad or ^Nm/_A]	4.500e-1
	Maximum torque at standstill at nominal voltage	T_stall [Nm]	89.780
	Maximum theoretical velocity motoraxis at no load (and no friction of motor and reduction) and nominal voltage	ω₀ [^rad/_s]	266.667
	Maximum allowed velocity motoraxis	ω_max [^rad/_s]	366.520
	Maximum voltage allowed to prevent sparking due to brushed commutation	U_max [V]	170.000
	Maximum output power equal to ¹/₄T_stallω₀	P_max [W]	6000.000
Mechanical data
	Inertia of rotor	J_rotor [kgm²]	2.237e-3
	Maximum acceleration at standstill if no load or reduction is attached	max. accel [^rad/_s2]	4.013e+4
	Constant friction torque of motor on motoraxis	T_fric [Nm]	0.220
	Mechanical timeconstant	τ_mech [s]	6.628e-3
Electrical data
	Resistance windings at standard temp. 22 ^oC	R [Ω]	0.600
	Winding inductance measured at terminals of motor	L [H]	4.400e-3
	Slope of the motor	S [^Nms/_rad]	3.375e-1
	Electrical timeconstant	τ_elec [s]	7.333e-3
Thermal data
	Maximum allowed temperature of windings	Θ_max [^oC]	100.000
	Maximum continuous current (thermal limit) at surround temp. 22 ^oC and at stillstand	I_{max, thermal} [A]	11.764
	Thermal resistance between rotor and ambient	R_th,total [^K/_W]	0.719
Magnet data
	the material of the magnet	magnetmaterial	ferrite
	degrading of the magnetic flux density in percent per ^oC or K	TK_Br [%/K]	-2.000e-1

Remarks:

The frictiontorque is determined from the slope of the 100% DC-line in the torque-speed-characteristic. This means the value may be inaccurate.
The derating for the magnetstrength is not given so 'worst case' is used of -0.2 %/K for the provided magnetmaterial. The maximum allowed temperature is not given so 'worst case' is used of 373 K. R_th,total is determined from given stallcurrent and not accurate because temperature Θ_max is unknown. This means that the calculated temperature may be inaccurate.
The winding resistance R is determined from the steepness of the motor and given by the vendor and they do not match. This means that the characteristic may be different from the one the vendor may provide. This means that the calculated current and voltage may be inaccurate.
C_th,total is not provided. This means that the time when thermal stability occurs can not be calculated.
The vendor has not provided information about a heatsink for the given thermal information.

The quality and completeness of the supplied information has quality index: E

This quality index is determined by specAmotor.com. Here is described what the quality index is.

GM4050-38 Electric Motor Datasheet

Performance data

Mechanical data

Electrical data

Thermal data

Magnet data

Remarks: