excavator hydraulic motors mining application

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Motor for CA70

CA70 hydraulic motor displacement range 2512-4400mL/r, rated pressure 280bar, maximum pressure 420bar, maximum power 255 KW, available options include: Internal Spline Connection, Shrink Fit Connection, Viton, Two-Speed, rear- interface, Through Hole, etc.

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CA70

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Product Introduction

CA70 hydraulic motor displacement range 2512-4400mL/r, rated pressure 280bar, maximum pressure 420bar, maximum power 255 KW, available options include: Internal Spline Connection, Shrink Fit Connection, Viton, Two-Speed, rear- interface, Through Hole, etc.

Technical Parameters

Motor type Metric	FULL DISP.		HALF DISP.		SPEED		PRESSURE		MAX. POWER KW	WEIGHT
Motor type Metric	DISP. mL/r	SPEC. trque N.m/bar	DISP. mL/r	SPEC. trque N.m/bar	Rated. rpm	Max. rpm	Rated. Bar	Max. bar	MAX. POWER KW	spline kg	hollow kg
CA70 40	2512	40	1256	20	190	270	280	420	220	225	249
CA70 50	3140	50	1570	25	155	225	280	420	225
CA70 60	3771	60	1885.5	30	135	195	280	420	235
CA70 70	4400	70	2200	35	125	180	280	420	255

Installation Dimensions

FAQ

FAQs

During operation, the CA hydraulic motor emits a continuous "whirring" sound. Is this a malfunction of the motor?

CA hydraulic motor has a rolling-element and involute-track structure, which is a rolling motion. It is normal for it to emit such a sound
During operation, the CA hydraulic motor makes a continuous and crisp 'tap-tap-tap' sound. Is this a malfunction of the motor

There are two reasons for this sound when the CA hydraulic motor is in operation, and it needs to be checked and resolved:
A、 The internal leakage the hydraulic motor is too large, causing excessive pressure in the shell cavity.
B、 The return pressure of the main hydraulic motor pipeline is too low, insufficient to overcome theon's counterforce caused by the internal leakage pressure of the shell cavity.

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