71930 ACD/P4A

Cov super-precision, siab-muaj peev xwm, ib kab angular hu rau pob bearings, nrog 25 degree kev sib cuag lub kaum sab xis, haum rau radial thiab axial loads ua ib txhij, qhov twg axial load ua nyob rau hauv ib qho kev taw qhia nkaus xwb. Lawv yog tsim los kom haum rau hnyav loads ntawm kuj high speeds nyob rau hauv qis mus rau nruab nrab kev khiav hauj lwm kub. Ceev heev khiav hauj lwm siab load nqa peev xwmRelatively high speed thiab nruj.

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Dimensions - 71930 ACD/P4A

Qhov ntev

d	150 hli	Lub taub hau
D	210 hli	Sab nraud txoj kab uas hla
B	28 mm	Dav
d₁	168.5mm 3	Lub xub pwg txoj kab uas hla ntawm lub nplhaib puab (loj sab ntsej muag)
d₂	168.5mm 3	Lub xub pwg txoj kab uas hla ntawm lub nplhaib puab (me me sab ntsej muag)
D₁	191.5mm 3	Lub xub pwg txoj kab uas hla ntawm lub nplhaib sab nraud (loj sab ntsej muag)
r_1,2	yam 2 mm	Chamfer dimension
r_3,4	yam 1 mm	Chamfer dimension
a	56.1mm ib	Kev ncua deb ntawm sab ntsej muag mus rau qhov taw tes siab

Abutment dimensions - 71930 ACD/P4A

Abutment qhov ntev

d_a	hli 159mm	Txoj kab uas hla ntawm ncej abutment
d_b	hli 159mm	Txoj kab uas hla ntawm ncej abutment
D_a	max.201 hli	Txoj kab uas hla ntawm lub tsev abutment
D_b	max.205 hli	Txoj kab uas hla ntawm lub tsev abutment
r_a	max 2 mm	Radius ntawm fillet
r_b	max 1 mm	Radius ntawm fillet
d_n	173.5mm 3	Txoj hauj lwm ntawm cov roj nozzle

Cov ntaub ntawv suav

Basic dynamic load ntsuam xyuas	C	108kn ua
Basic static load ntsuas	C₀	125 kN ib
Fatigue load txwv	P_u	3,9kn ua
Attainable ceev rau roj lubrication		5 600 r/min
Attainable ceev rau roj-cua lubrication		8 500 r/min
Sib cuag lub kaum sab xis		25 degree
Pob taub	D_w	19.05mm 19.00 Nws
Tus naj npawb ntawm kab	i	1
Number of balls (ib bearing)	z	23
Kev siv roj ntau (ib tus kabmob)	G_ref	35cm3 ua

Preload thiab nruj (rov qab-rau-rov qab, ntsej muag-rau-ntsej muag)
Preload, chav kawm A	G_A	740 N
Axial stiffnes rau preload A (teev ntawm ob brgs rov qab los yog ntsej muag rau ntsej muag)		340 N/µm
Preload, chav kawm B	G_B	1 480 N
Axial nruj rau preload B (teev ntawm ob brgs rov qab-rau-rov qab los yog ntsej muag-rau-ntsej muag)		447 N/µm
Preload, chav kawm C	G_C	2 960 N
Axial txhav rau preload C (poob ntawm ob brgs rov qab-rau-rov qab los yog ntsej muag-rau-ntsej muag)		596 N/µm
Preload, chav kawm D	G_D	5 920 N
Axial rigidity rau preload D (teev ntawm ob brgs rov qab-rau-rov qab los yog ntsej muag-rau-lub ntsej muag)		814 N/µm

Kho yam tseem ceeb rau preload xam
Kho qhov tseem ceeb nyob ntawm bearing series thiab loj	f	1.24
Kho qhov tseem ceeb nyob ntawm kev sib cuag lub kaum sab xis	f₁	0.98
Kho qhov tseem ceeb, preload chav kawm A	f_2A	1
Kho qhov tseem ceeb, preload chav B	f_2B	1.04
Kho qhov tseem ceeb, preload chav kawm C	f_2C	1.08
Kho qhov tseem ceeb, preload chav kawm D	f_2D	1.14
Kho qhov tseem ceeb rau hybrid bearings	f_HC	1

Cov yam tseem ceeb rau kev sib npaug bearing load xam
Kev txwv tus nqi	e	0.68
Axial load factor (ib zaug, tandem)	Y₂	0.87
Axial load factor (ib zaug, tandem)	Y₀	0.38
Radial load factor (ib zaug, tandem)	X₂	0.41
Axial load factor (rov qab-rau-rov qab, ntsej muag-rau-ntsej muag)	Y₁	0.92
Axial load factor (rov qab-rau-rov qab, ntsej muag-rau-ntsej muag)	Y₂	1.41
Axial load factor (rov qab-rau-rov qab, ntsej muag-rau-ntsej muag)	Y₀	0.76
Radial load factor (rov qab-rau-rov qab, ntsej muag-rau-ntsej muag)	X₂	0.67

Cov yam ntxwv ntawm Precision Contact Bearings

Precision hu bearings yog engineered nrog tshwj xeeb raug los xyuas kom meej kev ua tau zoo nyob rau hauv ntau yam kev siv tshuab. Cov kabmob no muaj qhov ua tau zoo ntawm qhov ntev thiab cov duab geometric meej, uas ua rau lawv qhov kev sib hloov siab thiab cov suab nrov tsawg. Cov ntaub ntawv siv hauv lawv cov kev tsim kho, feem ntau zoo steels lossis ceramics, raug xaiv rau lawv cov kav ntev thiab tsis kam hnav, ua kom lub neej ntev kev pab cuam txawm nyob rau hauv cov kev xav tau. Precision contact bearings feem ntau suav nrog kev teeb tsa xws li pob bearings, cov menyuam bearings, thiab koob bearings, txhua tus tsim los hais txog cov kev txwv tshwj xeeb thiab kev ceev. Lawv cov qauv tsim kuj suav nrog cov tshuab lubrication siab heev los txo kev sib txhuam thiab kev tsim hluav taws xob, yog li txhim kho kev ua haujlwm thiab kev ntseeg tau.

Qhov zoo ntawm Precision Contact Bearings

Lub ntsiab kom zoo dua ntawm precision contact bearings yog nyob rau hauv lawv lub peev xwm los txhawb siab precision nyob rau hauv ntau yam kev khiav hauj lwm tej yam kev mob. Lawv muaj peev xwm nqa tau zoo tshaj plaws, ua rau lawv zoo tagnrho rau cov ntawv thov uas xav tau cov khoom hnyav thaum tswj kev kub ceev. Qhov tseeb ntawm cov kabmob no txo qis kev vibration thiab suab nrov, uas yog ib qho tseem ceeb hauv cov cheeb tsam rhiab xws li cov cuab yeej kho mob lossis cov cuab yeej precision. Tsis tas li ntawd, lawv cov kev tsim kho muaj zog ua kom muaj kev ntseeg siab thiab siv tau ntev, txo cov nqi tu thiab kev poob qis. Kev siv cov khoom siv siab heev thiab cov txheej txheem lubrication ntxiv txhim kho lawv cov kev ua tau zoo, muab kev tiv thaiv corrosion thiab hnav. Qhov kev sib xyaw ua ke ntawm cov yam ntxwv no ua rau kev sib cuag nrog cov bearings ib qho tseem ceeb hauv kev ua haujlwm precision thiab cov tshuab ua haujlwm siab.

Daim ntawv thov ntawm Precision Contact Bearings

Precision hu rau bearings tau dav siv nyob rau hauv ntau yam kev lag luam vim lawv qhov tshwj xeeb kev ua tau zoo. Hauv kev lag luam tsheb, lawv yog ib qho tseem ceeb rau kev ua haujlwm zoo ntawm cov cav, kev sib kis, thiab kev ncua kev ua haujlwm, ua kom muaj kev ntseeg siab thiab siv roj. Cov ntawv thov dav hlau siv cov kabmob no rau lawv lub peev xwm tiv taus huab cua thiab kev kub ceev, ua rau muaj kev nyab xeeb thiab ua haujlwm ntawm lub dav hlau. Muaj cov tshuab, xws li CNC tshuab thiab neeg hlau, tau txais txiaj ntsig los ntawm kev ua haujlwm siab thiab ua haujlwm ntev ntawm cov kabmob no, ua kom muaj kev ua haujlwm zoo thiab raug. Cov cuab yeej kho mob, uas xav tau lub suab nrov tsawg thiab kev co, kuj tso siab rau kev sib cuag nrog cov bearings kom ntseeg tau tias cov neeg mob kev nplij siab thiab cov cuab yeej siv tau zoo. Zuag qhia tag nrho, ntau yam thiab kev ntseeg siab ntawm precision contact bearings ua rau lawv tseem ceeb hauv ntau qhov kev ua haujlwm siab thiab kev ua haujlwm siab thoob plaws ntau qhov chaw.

TSIS MUAJ.	d [mm]	D [mm]	B [mm]
71930 ACD/P4ATBT PAB	150	210	84
71930 ACD/P4ABTA	150	210	84
71930 ACD/P4AQGA	150	210	112
71930 ACD/P4ALDT	150	210	56
71930 ACD/P4ADGB	150	210	56
71930 ACD/P4 UAS	150	210	56
71930 ACD/P4ADBC	150	210	56
71930 ACD/P4ADBB	150	210	56
71930 ACD/P4 PAB	150	210	56
71930 ACD/P4A	150	210	28
71930 ACD/HCP4ALDT	150	210	56
71930 ACD/HCP4ADGAGMM1	150	210	56
71930 ACD/HCP4 UAS	150	210	56
7 028 CDGB/P4A	140	210	33
7 028 CDGA/P4A	140	210	33
7028 CDGA/HCP4A UAS	140	210	33
7028 CD/P4ATGA UAS	140	210	99
7028 CD/P4ATBT PAB	140	210	99
7028 CD/P4ABTA	140	210	99
7028 CD/P4 ADGB	140	210	66
7028 CD/P4 ADGA	140	210	66
7028 CD/P4 AB	140	210	66
7028 CD/P4 AB	140	210	66
7028 CD/P4A	140	210	33
7028 CD/HCP4 AW	140	210	66
7028 CD/HCP4A	140	210	33
7028 ACDGC/P4A	140	210	33
7028 ACDGB/P4A	140	210	33
7028 ACDGA/P4A	140	210	33
7028 ACD/P4ATGA UAS	140	210	99

Cim npe nrov: 71930 acd/p4a, 71930 acd/p4a lwm

Tug

71930 ACD/HCP4ALDT

Tom ntej

71930 ACD/P4 PAB

Koj Tseem Yuav Zoo Li

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