TAICIN泰炘叶片泵DVSF-6V DVHF-65 FVSB-6V-10
150T-116，150T-116-F-R,150T-125-F-R，150T-125,150T-48-F-R，150T-48，150T-61，150T-61-F-R
150T-75，150T-75-F-R，150T-94，150T-94-F-R
50T-07，50T-07-F-R，50T-12，50T-12-F-R，50T-14，50T-14-F-R，50T-17，50T-17-F-R
50T-19，50T-19-F-R，50T-21-F-R，50T-23，50T-23-F-R，50T-26，50T-26-F-R,50T-30-F-R
50T-30，50T-36，50T-36-F-R，50T-40，50T-40-F-R
FVMB-1V-10，FVMB-1V-10-L，FVMB-2V-10，FVMB-2V-10-L，FVMB-3V-10，FVMB-3V-10-L
FVMB-4V-10，FVMB-4V-10-L，FVMB-5V-10，FVMB-5V-10-L
FVMF-1V-10，FVMF-1V-10-L，FVMF-2V-10，FVMF-2V-10-L，FVMF-3V-10，FVMF-3V-10-L
FVMF-4V-10，FVMF-4V-10-L，FVMF-5V-10，FVMF-5V-10-L
FVSB-1V-10，FVSB-1V-10-L，FVSB-2V-10，FVSB-2V-10-L，FVSB-3V-10，FVSB-3V-10-L
FVSB-4V-10，FVSB-4V-10-L，FVSB-5V-10，FVSB-5V-10-L，FVSB-6V-10，FVSB-6V-10-L
FVSF-1V-10，FVSF-1V-10-L，FVSF-2V-10，FVSF-2V-10-L，FVSF-3V-10，FVSF-3V-10-L
FVSF-4V-10，FVSF-4V-10-L，FVSF-5V-10，FVSF-5V-10-L，FVSF-6V-10，FVSF-6V-10-L
JS-G06-4CA，JS-G06-4CD-75，JSP-G03-2CA-40
KSO-G02-2BA-10，KSO-G02-2BA-30-N，KSO-G02-2BP-30-N，KSO-G02-2CA，KSO-G02-2CA-10
KSO-G02-2CA-30，KSO-G02-2CP-10，KSO-G02-2CP-30-N，KSO-G02-2DP，KSO-G02-3AA-30-T66
KSO-G02-4CA，KSO-G02-4CA-10，KSO-G02-4CA-30，KSO-G02-4CB-30，KSO-G02-4CP，KSO-G02-4CP-30-N
KSO-G02-7CA-30-N，KSO-G03-2BP-30-N，KSO-G03-2DD-20，KSO-G03-4CB-20，KSO-G04-29CY
KSO-GO2-2DA-30，KSO-GO2-44CP-30
SP08-A0-F-R-01-51，SP08-A1-F-R-01-51，SP08-A2-F-R-01-51，SP08-A3-F-R-01-51
SP16-A0-F-R-01-51，SP16-A1-F-R-01-51，SP16-A2-F-R-01-51，SP16-A3-F-R-01-51
SP36-A0-F-R-01-51，SP36-A1-F-R-01-51，SP36-A2-F-R-01-51，SP36-A3-F-R-01-51
SP46-A0-F-R-01-51，SP46-A1-F-R-01-51，SP46-A2-F-R-01-51，SP46-A3-F-R-01-51
SP70-A1-F-R-01-51，SP70-A2-F-R-01-51，SP70-A3-F-R-01-51
TS-G02-20A，TS-G02-20AA，TS-G02-20AB，TS-G02-20AC，TS-G02-20AD，TS-G02-20AP
TS-G02-20B，TS-G02-20BA，TS-G02-20BB，TS-G02-20BC，TS-G02-20BD，TS-G02-20BP
TS-G02-2A，TS-G02-2A-2T，TS-G02-2AA，TS-G02-2AA-10，TS-G02-2AB，TS-G02-2AB-10
TS-G02-2AC，TS-G02-2AC-10，TS-G02-2AD，TS-G02-2AD-10，TS-G02-2A-H2，TS-G02-2A-H8
TS-G02-2A-H91，TS-G02-2AP，TS-G02-2AP-10，TS-G02-2B，TS-G02-2B-2T，TS-G02-2B-81T
TS-G02-2B-9T，TS-G02-2BA，TS-G02-2BA-10，TS-G02-2BB，TS-G02-2BB-10，TS-G02-2BB-2T-HC
TS-G02-2BC，TS-G02-2BC-10，TS-G02-2BD，TS-G02-2BD-10，TS-G02-2B-H2，TS-G02-2BP
TS-G02-2BP-10，TS-G02-2BP-H，TS-G02-2CA，TS-G02-2CA-10，TS-G02-2CB，TS-G02-2CB-10
TS-G02-2CB-H，TS-G02-2CC，TS-G02-2CC-10，TS-G02-2CD，TS-G02-2CD-10，TS-G02-2CP
TS-G02-2CP-10，TS-G02-2CP-H，TS-G02-2D，TS-G02-2DA，TS-G02-2DA-10，TS-G02-2DB
TS-G02-2DB-10，TS-G02-2DC，TS-G02-2DC-10，TS-G02-2DD，TS-G02-2DD-10，TS-G02-2DP
TS-G02-2DP-10，TS-G02-2DP-N-T，TS-G02-2N，TS-G02-2NA，TS-G02-2NB，TS-G02-2NC
TS-G02-2ND，TS-G02-2NP，TS-G02-3A，TS-G02-3AA，TS-G02-3AB，TS-G02-3AC，TS-G02-3AD
TS-G02-3A-H3，TS-G02-3AP，TS-G02-3A-T5，TS-G02-3A-T51，TS-G02-3A-T66，TS-G02-3B
TS-G02-3B-3T，TS-G02-3B-51H，TS-G02-3B-5H，TS-G02-3B-66H，TS-G02-3BA，TS-G02-3BA-10
TS-G02-3BB，TS-G02-3BB-10，TS-G02-3BC，TS-G02-3BC-10，TS-G02-3BD，TS-G02-3BD-10
TS-G02-3BP，TS-G02-3BP-10，TS-G02-3C，TS-G02-3CA，TS-G02-3CA-10，TS-G02-3CB
TS-G02-3CB-10，TS-G02-3CC，TS-G02-3CC-10，TS-G02-3CD，TS-G02-3CD-10，TS-G02-3CP
TS-G02-3CP-10，TS-G02-44C，TS-G02-44CA，TS-G02-44CA-10，TS-G02-44CB，TS-G02-44CB-10
TS-G02-44CC，TS-G02-44CC-10，TS-G02-44CD，TS-G02-44CD-10，TS-G02-44CP
TS-G02-44CP-10，TS-G02-4C，TS-G02-4CA，TS-G02-4CA-10，TS-G02-4CA-H，TS-G02-4CB
TS-G02-4CB-10，TS-G02-4CB-H，TS-G02-4CC，TS-G02-4CC-10，TS-G02-4CD，TS-G02-4CD-10
TS-G02-4CP，TS-G02-4CP-10，TS-G02-4CP-H，TS-G02-51C，TS-G02-51CA，TS-G02-51CB
TS-G02-51CC，TS-G02-51CD，TS-G02-51CP，TS-G02-5C，TS-G02-5CA，TS-G02-5CB
TS-G02-5CC，TS-G02-5CD，TS-G02-5CP，TS-G02-66C，TS-G02-66CA，TS-G02-66CA-10
TS-G02-66CB，TS-G02-66CB-10，TS-G02-66CC，TS-G02-66CC-10，TS-G02-66CD
TS-G02-66CD-10，TS-G02-66CP，TS-G02-66CP-10，TS-G02-7C，TS-G02-7CA
TS-G02-7CA-10，TS-G02-7CB，TS-G02-7CB-10，TS-G02-7CC，TS-G02-7CC-10
TS-G02-7CD，TS-G02-7CD-10，TS-G02-7CP，TS-G02-7CP-10，TS-G02-81AA
TS-G02-81AB，TS-G02-81AC，TS-G02-81AD，TS-G02-81A-H4，TS-G02-81A-H44
TS-G02-81A-H81，TS-G02-81AP，TS-G02-81C，TS-G02-81CA，TS-G02-81CB
TS-G02-81CC，TS-G02-81CD，TS-G02-81CP，TS-G02-8B44T，TS-G02-8B-44T，TS-G02-8B-4T
TS-G02-8B-8T，TS-G02-8BA，TS-G02-8BB，TS-G02-8BC，TS-G02-8BD，TS-G02-8BP
TS-G02-8C，TS-G02-8CA，TS-G02-8CA-10，TS-G02-8CB，TS-G02-8CB-10，TS-G02-8CC
TS-G02-8CC-10，TS-G02-8CD，TS-G02-8CD-10，TS-G02-8CP，TS-G02-8CP-10，TS-G02-91B-7T
TS-G02-91B-91T，TS-G02-91BA，TS-G02-91BB，TS-G02-91BC，TS-G02-91BD，TS-G02-91BP
TS-G02-91C，TS-G02-91CA，TS-G02-91CB，TS-G02-91CC，TS-G02-91CD，TS-G02-91CP
TS-G02-9AA，TS-G02-9AB，TS-G02-9AC，TS-G02-9AD，TS-G02-9A-H7，TS-G02-9A-H9
TS-G02-9AP，TS-G02-9C，TS-G02-9CA，TS-G02-9CB，TS-G02-9CC，TS-G02-9CD，TS-G02-9CP
TS-G03-20A，TS-G03-20AA，TS-G03-20AA-10，TS-G03-20AB，TS-G03-20AB-10，TS-G03-20AC
TS-G03-20AC-10，TS-G03-20AD，TS-G03-20AD-10，TS-G03-20AP，TS-G03-20AP-10，TS-G03-20B
TS-G03-20BA，TS-G03-20BA-10，TS-G03-20BB，TS-G03-20BB-10，TS-G03-20BC，TS-G03-20BC-10
TS-G03-20BD，TS-G03-20BD-10，TS-G03-20BP，TS-G03-20BP-10，TS-G03-2A，TS-G03-2A-2T
TS-G03-2AA，TS-G03-2AA-10，TS-G03-2AB，TS-G03-2AB-10，TS-G03-2AC，TS-G03-2AC-10
TS-G03-2AD，TS-G03-2AD-10，TS-G03-2A-H2，TS-G03-2A-H8，TS-G03-2A-H91，TS-G03-2AP
TS-G03-2AP-10，TS-G03-2B，TS-G03-2B-2T，TS-G03-2B-81T，TS-G03-2B-9T，TS-G03-2BA
TS-G03-2BA-10，TS-G03-2BB，TS-G03-2BB-10，TS-G03-2BC，TS-G03-2BC-10，TS-G03-2BD
TS-G03-2BD-10，TS-G03-2B-H2，TS-G03-2BP，TS-G03-2BP-10，TS-G03-2BP-C，TS-G03-2C
TS-G03-2CA，TS-G03-2CA-10，TS-G03-2CB，TS-G03-2CB-10，TS-G03-2CB-H，TS-G03-2CC
TS-G03-2CC-10，TS-G03-2CD，TS-G03-2CD-10，TS-G03-2CP，TS-G03-2CP-10，TS-G03-2CP-C
TS-G03-2D，TS-G03-2DA，TS-G03-2DA-10，TS-G03-2DB，TS-G03-2DB-10，TS-G03-2DC
TS-G03-2DC-10，TS-G03-2DD，TS-G03-2DD-10，TS-G03-2DP，TS-G03-2DP-10，TS-G03-2NA
TS-G03-2NA-10，TS-G03-2NB，TS-G03-2NB-10，TS-G03-2NC，TS-G03-2NC-10，TS-G03-2ND
TS-G03-2ND-10，TS-G03-2NP，TS-G03-2NP-10，TS-G03-3A，TS-G03-3AA，TS-G03-3AA-10
TS-G03-3AB，TS-G03-3AB-10，TS-G03-3AC，TS-G03-3AC-10，TS-G03-3AD，TS-G03-3AD-10
TS-G03-3A-H3，TS-G03-3AP，TS-G03-3AP-10，TS-G03-3A-T5，TS-G03-3A-T51，TS-G03-3A-T66
TS-G03-3B，TS-G03-3B-3T，TS-G03-3B-51H，TS-G03-3B-5H，TS-G03-3B-66H，TS-G03-3BA
TS-G03-3BA-10，TS-G03-3BB，TS-G03-3BB-10，TS-G03-3BC，TS-G03-3BC-10，TS-G03-3BD
TS-G03-3BD-10，TS-G03-3BP，TS-G03-3BP-10，TS-G03-3C，TS-G03-3CA，TS-G03-3CA-10
TS-G03-3CB，TS-G03-3CB-10，TS-G03-3CC，TS-G03-3CC-10，TS-G03-3CD，TS-G03-3CD-10
TS-G03-3CP，TS-G03-3CP-10，TS-G03-44C，TS-G03-44CA，TS-G03-44CA-10，TS-G03-44CB
TS-G03-44CB-10，TS-G03-44CC，TS-G03-44CC-10，TS-G03-44CD，TS-G03-44CD-10，TS-G03-44CP
TS-G03-44CP-10，TS-G03-4C，TS-G03-4CA，TS-G03-4CA-10，TS-G03-4CB，TS-G03-4CB-10
TS-G03-4CB-H，TS-G03-4CC，TS-G03-4CC-10，TS-G03-4CD，TS-G03-4CD-10，TS-G03-4CP
TS-G03-4CP-10，TS-G03-4CP-C，TS-G03-4CP-H，TS-G03-51C，TS-G03-51CA，TS-G03-51CA-10
TS-G03-51CB，TS-G03-51CB-10，TS-G03-51CC，TS-G03-51CC-10，TS-G03-51CD，TS-G03-51CD-10
TS-G03-51CP，TS-G03-51CP-10，TS-G03-5C，TS-G03-5CA，TS-G03-5CA-10，TS-G03-5CB
TS-G03-5CB-10，TS-G03-5CC，TS-G03-5CC-10，TS-G03-5CD，TS-G03-5CD-10，TS-G03-5CP
TS-G03-5CP-10，TS-G03-66C，TS-G03-66CA，TS-G03-66CA-10，TS-G03-66CB，TS-G03-66CB-10
TS-G03-66CC，TS-G03-66CC-10，TS-G03-66CD，TS-G03-66CD-10，TS-G03-66CP，TS-G03-66CP-10
TS-G03-7C，TS-G03-7CA，TS-G03-7CA-10，TS-G03-7CB，TS-G03-7CB-10，TS-G03-7CC，TS-G03-7CC-10
TS-G03-7CD，TS-G03-7CD-10，TS-G03-7CP，TS-G03-7CP-10，TS-G03-81AA，TS-G03-81AA-10
TS-G03-81AB，TS-G03-81AB-10，TS-G03-81AC，TS-G03-81AC-10，TS-G03-81AD，TS-G03-81AD-10
TS-G03-81A-H4，TS-G03-81A-H44，TS-G03-81A-H81，TS-G03-81AP，TS-G03-81AP-10，TS-G03-81C
TS-G03-81CA，TS-G03-81CA-10，TS-G03-81CB，TS-G03-81CB-10，TS-G03-81CC，TS-G03-81CC-10
TS-G03-81CD，TS-G03-81CD-10，TS-G03-81CP，TS-G03-81CP-10，TS-G03-8B44T，TS-G03-8B-44T
TS-G03-8B-4T，TS-G03-8B-8T，TS-G03-8BA，TS-G03-8BA-10，TS-G03-8BB，TS-G03-8BB-10，TS-G03-8BC
TS-G03-8BC-10，TS-G03-8BD，TS-G03-8BD-10，TS-G03-8BP，TS-G03-8BP-10，TS-G03-8C，TS-G03-8CA
TS-G03-8CA-10，TS-G03-8CB，TS-G03-8CB-10，TS-G03-8CC，TS-G03-8CC-10，TS-G03-8CD
TS-G03-8CD-10，TS-G03-8CP，TS-G03-8CP-10，TS-G03-91B-7T，TS-G03-91B-91T，TS-G03-91BA
TS-G03-91BA-10，TS-G03-91BB，TS-G03-91BB-10，TS-G03-91BC，TS-G03-91BC-10，TS-G03-91BD
TS-G03-91BD-10，TS-G03-91BP，TS-G03-91BP-10，TS-G03-91C，TS-G03-91CA，TS-G03-91CA-10
TS-G03-91CB，TS-G03-91CB-10，TS-G03-91CC，TS-G03-91CC-10，TS-G03-91CD，TS-G03-91CD-10
TS-G03-91CP，TS-G03-91CP-10，TS-G03-9AA，TS-G03-9AA-10，TS-G03-9AB，TS-G03-9AB-10
TS-G03-9AC，TS-G03-9AC-10，TS-G03-9AD，TS-G03-9AD-10，TS-G03-9A-H7，TS-G03-9A-H9
TS-G03-9AP，TS-G03-9AP-10，TS-G03-9C，TS-G03-9CA，TS-G03-9CA-10，TS-G03-9CB，TS-G03-9CB-10
TS-G03-9CC，TS-G03-9CC-10，TS-G03-9CD，TS-G03-9CD-10，TS-G03-9CP，TS-G03-9CP-10，TS-G04-2B
TS-G04-2C，TS-G04-3B，TS-G04-3C，TS-G04-4C，TS-G04-5C，TS-G04-66C，TS-G04-6C，TS-G04-81C
TS-G04-8C，TS-G04-91C，TS-G04-9C，TS-G06，TS-G06-2B，TS-G06-2C，TS-G06-3B，TS-G06-3C
TS-G06-4B，TS-G06-4C，TS-G06-5C，TS-G06-7C，TS-G06-8C，TS-G06-9C
VDV-1A-F20-A-35，VDV-1A-F20-B-35，VDV-1A-F20-C-35，VDV-1A-F20-D-35，VDV-1A-F25-A-35
VDV-1A-F25-B-35，VDV-1A-F25-C-35，VDV-1A-F25-D-35，VDV-1A-F30-A-35，VDV-1A-F30-B-35
VDV-1A-F30-C-35，VDV-1A-F30-D-35，VDV-1A-F40-A-35，VDV-1A-F40-B-35，VDV-1A-F40-C-35
VDV-1A-F40-D-35，VDV-1A-F54-A-35，VDV-1A-F54-B-35，VDV-1A-F54-C-35，VDV-1A-F54-D-35
VDV-1A-F70-A-35，VDV-1A-F70-B-35，VDV-1A-F70-C-35，VDV-1A-F70-D-35，VDV-1A-F86-A-35
VDV-1A-F86-B-35，VDV-1A-F86-C-35，VDV-1A-F86-D-35，VDV-1B-F20-A-35，VDV-1B-F20-B-35
VDV-1B-F20-C-35，VDV-1B-F20-D-35，VDV-1B-F25-A-35，VDV-1B-F25-B-35，VDV-1B-F25-C-35
VDV-1B-F25-D-35，VDV-1B-F30-A-35，VDV-1B-F30-B-35，VDV-1B-F30-C-35，VDV-1B-F30-D-35
VDV-1B-F40-A-35，VDV-1B-F40-B-35，VDV-1B-F40-C-35，VDV-1B-F40-D-35，VDV-1B-F54-A-35
VDV-1B-F54-B-35，VDV-1B-F54-C-35，VDV-1B-F54-D-35，VDV-1B-F70-A-35，VDV-1B-F70-B-35
VDV-1B-F70-C-35，VDV-1B-F70-D-35，VDV-1B-F86-A-35，VDV-1B-F86-B-35，VDV-1B-F86-C-35
VDV-1B-F86-D-35，VDV-1C-F20-A-35，VDV-1C-F20-B-35，VDV-1C-F20-C-35，VDV-1C-F20-D-35
VDV-1C-F25-A-35，VDV-1C-F25-B-35，VDV-1C-F25-C-35，VDV-1C-F25-D-35，VDV-1C-F30-A-35
VDV-1C-F30-B-35，VDV-1C-F30-C-35，VDV-1C-F30-D-35，VDV-1C-F40-A-35，VDV-1C-F40-B-35
VDV-1C-F40-C-35，VDV-1C-F40-D-35，VDV-2A-F20-A-35，VDV-2A-F20-B-35，VDV-2A-F20-C-35
VDV-2A-F20-D-35，VDV-2A-F25-A-35，VDV-2A-F25-B-35，VDV-2A-F25-C-35，VDV-2A-F25-D-35
VDV-2A-F30-A-35，VDV-2A-F30-B-35，VDV-2A-F30-C-35，VDV-2A-F30-D-35，VDV-2A-F40-A-35
VDV-2A-F40-B-35，VDV-2A-F40-C-35，VDV-2A-F40-D-35，VDV-2A-F54-A-35，VDV-2A-F54-B-35
VDV-2A-F54-C-35，VDV-2A-F54-D-35，VDV-2A-F70-A-35，VDV-2A-F70-B-35，VDV-2A-F70-C-35
VDV-2A-F70-D-35，VDV-2A-F86-A-35，VDV-2A-F86-B-35，VDV-2A-F86-C-35，VDV-2A-F86-D-35
VDV-2B-F20-A-35，VDV-2B-F20-B-35，VDV-2B-F20-C-35，VDV-2B-F20-D-35，VDV-2B-F25-A-35
VDV-2B-F25-B-35，VDV-2B-F25-C-35，VDV-2B-F25-D-35，VDV-2B-F30-A-35，VDV-2B-F30-B-35
VDV-2B-F30-C-35，VDV-2B-F30-D-35，VDV-2B-F40-A-35，VDV-2B-F40-B-35，VDV-2B-F40-C-35
VDV-2B-F40-D-35，VDV-2B-F54-A-35，VDV-2B-F54-B-35，VDV-2B-F54-C-35，VDV-2B-F54-D-35
VDV-2B-F70-A-35，VDV-2B-F70-B-35，VDV-2B-F70-C-35，VDV-2B-F70-D-35，VDV-2B-F86-A-35
VDV-2B-F86-B-35，VDV-2B-F86-C-35，VDV-2B-F86-D-35，VDV-2C-F54-A-35，VDV-2C-F54-B-35
VDV-2C-F54-C-35，VDV-2C-F54-D-35，VDV-2C-F70-A-35，VDV-2C-F70-B-35，VDV-2C-F70-C-35
VDV-2C-F70-D-35，VDV-2C-F86-A-35，VDV-2C-F86-B-35，VDV-2C-F86-C-35，VDV-2C-F86-D-35
VGPE-F25-A-10-35，VGPE-F25-A-2-35，VGPE-F25-A-6-35，VGPE-F25-B-10-35，VGPE-F25-B-2-35
VGPE-F25-B-6-35，VGPE-F25-C-10-35，VGPE-F25-C-2-35，VGPE-F25-C-6-35，VGPE-F25-D-10-35
VGPE-F25-D-2-35，VGPE-F25-D-6-35，VGPE-F30-A-10-35，VGPE-F30-A-2-35，VGPE-F30-A-6-35
VGPE-F30-B-10-35，VGPE-F30-B-2-35，VGPE-F30-B-6-35，VGPE-F30-C-10-35，VGPE-F30-C-2-35
VGPE-F30-C-6-35，VGPE-F30-D-10-35，VGPE-F30-D-2-35，VGPE-F30-D-6-35，VGPE-F40-A-10-35
VGPE-F40-A-2-35，VGPE-F40-A-6-35，VGPE-F40-B-10-35，VGPE-F40-B-2-35，VGPE-F40-B-6-35
VGPE-F40-C-10-35，VGPE-F40-C-2-35，VGPE-F40-C-6-35，VGPE-F40-D-10-35，VGPE-F40-D-2-35
VGPE-F40-D-6-35，VGPE-F45-A-10-35，VGPE-F45-A-2-35，VGPE-F45-A-6-35，VGPE-F45-B-10-35
VGPE-F45-B-2-35，VGPE-F45-B-6-35，VGPE-F45-C-10-35，VGPE-F45-C-2-35，VGPE-F45-C-6-35
VGPE-F45-D-10-35，VGPE-F45-D-2-35，VGPE-F45-D-6-35
液压系统比例调速阀故障诊断
本文苏州逐利以一个例子来给大家分析下液压系统中比例调速阀的故障诊断，供大家参考学习！
（一）系统及症状
某液压系统下图所示。
系统的症状为：液压缸在接触工作位置时有冲撞现象，液压马达转速调整不灵敏。
（二）故障的诊断
分别对这两个症状进行分析，找出它们的可能原因，再综合对比如下：
(1)液压缸冲撞问题的分析。引起液压缸冲撞的可能原因有：①液压缸内混入空气，在液压缸接近工作位置时，尽管已切换速度（由快速转慢速），但压缩的流体释放能量，使液压缸继续以高速运行，由此撞击工作台面；②液压缸接近工作位置时，由于行程开关或电路故障，未能发出快速转慢速的控制信号，使液压缸保持原速，撞击工作面；③比例流量阀故障（包括比例放大器故障）使流速失去控制，无法使液压缸减速。
(2)液压马达转速调整不灵问题的分析。引起问题的可能原因有：
①控制液压马达转速的比例数码器故障，不能调节比例流量阀的流量；
②比例流量阀或其放大故障，使流速控制不灵；
③液压马达或其负载出现异常，使速度调节更加困难。
(3)将两个症状的可能原因作对比便可发现，比例阀及放大器故障是两个症状共同的可能原因，故其出现的可能性最大。进一步分解比例流量阀发现，主阀芯弹簧已折断，引起流量失控，进而引起液压缸的冲撞与液压马达速度调节不灵敏。
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