CN208010884U - Ball screw group - Google Patents
Ball screw group Download PDFInfo
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- CN208010884U CN208010884U CN201820276488.4U CN201820276488U CN208010884U CN 208010884 U CN208010884 U CN 208010884U CN 201820276488 U CN201820276488 U CN 201820276488U CN 208010884 U CN208010884 U CN 208010884U
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- nut
- ball
- contact angle
- screw rod
- wear track
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Abstract
The utility model discloses a kind of ball screw groups, including:Screw rod has screw channel;First nut block, has the first nut and the first ball, the first perforation of first nut tool, which has the first nut groove;Second nut block, with the second nut and the second ball, the second perforation of second nut tool, second ball is placed in the second nut groove, with scheduled contact angular contact between second ball and the second nut trench wall face, the contact angle of the second nut block is different from the contact angle of the first nut block;First nut block is to arrange in pairs or groups alone to use with the screw rod in a manner of replacement ground with second nut block; first nut block is set to grind one first wear track on first screw rod; second nut block grinds one second wear track on the screw rod, first wear track and the second wear track non-overlapping copies;Whereby, it is effectively increased the reuse number of screw rod, the effect of extending the service life of screw rod, reach cost reduction.
Description
Technical field
The utility model is related to ball screw technical fields, refer to more specifically a kind of ball screw group.
Background technology
The main member of ball screw is screw rod, nut and more balls（Steel ball）, other accessories, be to utilize screw rod
Rotation drives ball to carry out circulating rolling between screw rod and nut and contacts, and switchs to the machine driving structure to be moved along a straight line by nut
Part, due to ball screw have positioning accuracy height, long lifespan, low stain, can make high speed just inversely transmission and transformation be driven etc. spies
Property, therefore ball screw has been increasingly becoming the positioning of accurate scientific and technological industry and precision machinery industry and the weight in measuring system recently
Want one of spare part.
To improve the precision of ball screw, ball screw can bestow certain precompression in assembling, make ball in screw rod
Be in close contact with a preset contact angle between nut, its after a period of use, not only ball itself can be worn, spiral shell
Bar is with nut in the position contacted with ball（Preset exposure Angle Position）Also the track of one of abrasion is will produce, and then causes to generate
The problem that positioning accuracy reduces and transmission smoothness is bad.
In this, the general practice can be by the ball screw of whole group, i.e. screw rod, nut and ball and other accessories is whole more
It changes, is replaced with new ball screw, to ensure the precision of positioning and the smoothness of transmission.But thus, which equipment will be caused
Maintenance cost improve, since screw rod is most unmanageable part, cost is also the most expensive, if excessively frequent replace,
It will allow the cost increase of dealer, and cannot effectively utilize screw rod.
Utility model content
The main purpose of the utility model is to provide a kind of ball screw groups, can effectively increase the reuse of screw rod
Number, and then extend the service life of screw rod, the effect of to reach cost reduction.
Based on this, the present invention mainly uses utilising techniques, to realize above-mentioned purpose.
A kind of ball screw group includes mainly：One screw rod has a spiral screw channel on outer surface；
There is one first nut block one first nut and one group of first ball of plural number, first nut to have one first to perforate, this
There is the inner surface of one perforation a spiral first nut groove, first ball to be placed in the first nut groove,
With scheduled contact angular contact between first ball and the first nut trench wall face, the first nut groove one is half side
Ball contact angle is with another half side ball contact angle in reversed；One second nut block, answering with one second nut and one group
There is one second perforation, biperforate inner surface to have spiral second spiral shell for several second balls, second nut
Cap groove, second ball are placed in the second nut groove, between second ball and the second nut trench wall face
With scheduled contact angular contact, the half side ball contact angle of the second nut groove one is with another half side ball contact angle in anti-
To；And second nut block contact angle it is different from the contact angle of the first nut block；Whereby, first nut block and second nut
Group is to arrange in pairs or groups alone to use with the screw rod in a manner of replacement ground, makes first nut block in the screw rod spiral shell ditch internal face of the screw rod
Both sides respectively grind one first wear track, which respectively grinds one second in the screw rod spiral shell ditch internal face both sides of the screw rod
Wear track, and first wear track and the second wear track non-overlapping copies.
Further, the ball screw group also includes a third nut block, which has a third spiral shell
Cap and one group of plural third ball, the third nut are perforated with a third, and it is in spiral shell that the inner surface of third perforation, which has one,
The third nut groove of shape is revolved, the third ball is placed in the third nut groove, the third ball and the third nut
With scheduled contact angular contact, the half side ball contact angle of the third nut groove one and another half side rolling between trench wall face
Pearl contact angle is in reversed；And the contact angle of the contact angle and the second nut block of the contact angle of third nut block and the first nut block is not
Together；Third nut block is to arrange in pairs or groups alone to use with the screw rod in a manner of replacement ground, screw rod spiral shell of the third nut block in the screw rod
The both sides of ditch internal face respectively grind a third wear track, and first wear track, the second wear track and third wear rail
Mark non-overlapping copies.
Further, the contact angle that first ball is contacted with the first nut trench wall face be 40 degree, described second
The contact angle that ball is contacted with the second nut trench wall face is 50 degree, the third ball and the third nut trench wall
The contact angle of face contact is 60 degree.
A kind of ball screw group includes mainly：One screw rod has a spiral screw channel on outer surface；
One first nut block there are 2 first nuts and two groups of the first ball of plural number, two first nuts to be connected in one, each first spiral shell
Cap has one first perforation, and the inner surface of each first perforation has a spiral first nut groove, and the of two groups of plural numbers
One ball is placed in its corresponding first nut groove, between the first ball of each group the first nut trench wall corresponding with this face
With scheduled contact angular contact；Contact angle between the first ball of one first nut and one of first nut block and another first spiral shell
Contact angle between cap and another first ball is in reversed；One second nut block has 2 second nuts and two groups of plural number second
Ball, two second nuts are connected in one, and each second nut has one second to perforate, and each biperforate inner surface is in one
Second ball of spiral helicine second nut groove, two groups of plural numbers is placed in its corresponding second nut groove, each group second
With scheduled contact angular contact between ball the second nut trench wall corresponding with this face；One second nut of the second nut block and
The contact angle between contact angle and another second nut and another second ball between the second ball of one is in reversed；And second spiral shell
The contact angle of cap group is different from the contact angle of the first nut block；Whereby, first nut block and second nut block are to replace
Ground mode arranges in pairs or groups with the screw rod use alone, and first nut block is made respectively to be ground in the both sides of the screw rod spiral shell ditch internal face of the screw rod
One first wear track, the 4th wear track, second nut block respectively grind one in the screw rod spiral shell ditch internal face both sides of the screw rod
Second wear track, the 5th wear track, and first wear track, the 4th wear track, the second wear track, the 5th abrasion
Track non-overlapping copies.
Preferably, the ball screw group also includes a third nut block, third nut block has two third nuts
And two groups of plural third ball, two third nuts are connected in one, each third nut is perforated with a third, each third perforation
Inner surface have a spiral third nut groove, two groups plural number third balls be placed in its corresponding third nut
In groove, with scheduled contact angular contact between each group third ball third nut trench wall face corresponding with this；Third nut
Contact angle contact between another third nut and another third ball between the third nut and one third ball of group
Angle is in reversed；And the contact angle of third nut block is different from the contact angle of the contact angle of the first nut block and the second nut block；The
Three nut blocks are to arrange in pairs or groups alone to use with the screw rod in a manner of replacement ground, screw rod spiral shell ditch inner wall of the third nut block in the screw rod
The both sides in face respectively grind a third wear track, the 6th wear track, and first wear track, the 4th wear track, second
Wear track, the 5th wear track, third wear track, the 6th wear track non-overlapping copies.
Preferably, the contact angle that first ball is contacted with the first nut trench wall face is 40 degree, described second
The contact angle that ball is contacted with the second nut trench wall face is 50 degree, the third ball and the third nut trench wall
The contact angle of face contact is 60 degree.
After above-mentioned technological means, a kind of ball screw group provided by the utility model passes through screw rod, the first nut block
And second nut block structure design, there is on the outer surface of the screw rod a spiral screw channel;First nut block
The first ball of plural number with one first nut and one group, first nut have one first perforation, the interior table of first perforation
There is a spiral first nut groove, first ball to be placed in the first nut groove in face, first ball
With scheduled contact angular contact between the first nut trench wall face, the half side ball contact angle of the first nut groove one with
Another half side ball contact angle is in reversed；Second nut block has one second nut and one group of the second ball of plural number, should
Second nut has one second perforation, which has a spiral second nut groove, and described the
Two balls are placed in the second nut groove, with scheduled contact angle between second ball and the second nut trench wall face
Contact, the half side ball contact angle of the second nut groove one and another half side ball contact angle are in reversed, and the second nut
The contact angle of group is different from the contact angle of the first nut block；Whereby, first nut block and second nut block are to replace ground
Mode arranges in pairs or groups with the screw rod use alone, and first nut block is made respectively to grind one on the screw channel internal face both sides of the screw rod
First wear track, second nut block respectively grind one second wear track on the screw channel internal face both sides of the screw rod,
And first wear track and the second wear track non-overlapping copies；Reach the service life for extending screw rod whereby, is safeguarded with reducing
The expenditure of cost.
Description of the drawings
Fig. 1 is the configuration schematic diagram of the screw rod of the first preferred embodiment of the invention, nut, ball.
Fig. 2 is the screw rod of embodiment illustrated in fig. 1, the left half side schematic cross-sectional view of nut.(to indicate that the ball of nut connects
Feeler)
Fig. 3 is the abrasion schematic diagram of screw rod in embodiment illustrated in fig. 1.
Fig. 4 is the screw rod of embodiment illustrated in fig. 1, the left half side schematic cross-sectional view of nut.(to indicate that the ball of nut connects
Feeler is 40 degree)
Fig. 5 is the screw rod of embodiment illustrated in fig. 1, the left half side schematic cross-sectional view of nut.(to indicate that the ball of nut connects
Feeler is 50 degree)
Fig. 6 is the screw rod of embodiment illustrated in fig. 1, the left half side schematic cross-sectional view of nut.(to indicate that the ball of nut connects
Feeler is 60 degree)
Fig. 7 is the abrasion schematic diagram of screw rod in embodiment illustrated in fig. 1.
Fig. 8 is the configuration schematic diagram of the screw rod of the second preferred embodiment of the invention, nut, ball.
Fig. 9 is the schematic cross-sectional view of the screw rod of embodiment illustrated in fig. 8, two first nuts.(to indicate two first nuts
Ball contact angle is 40 degree reversely)
Figure 10 is the schematic cross-sectional view of the screw rod of embodiment illustrated in fig. 8, two second nuts.(to indicate two second nuts
Ball contact angle be reversed 50 degree)
Figure 11 is the schematic cross-sectional view of the screw rod of embodiment illustrated in fig. 8, two third nuts.(to indicate two third nuts
Ball contact angle be reversed 60 degree)
Figure 12 is the abrasion schematic diagram of screw rod in embodiment illustrated in fig. 8.
【Symbol description】
" first embodiment "
Ball screw group 100
Screw rod 90
Screw channel 91
First nut block 10
First nut 11 first perforation 111
First nut groove, 112 first ball 12
Second nut block 20
Second nut 21 second perforation 211
Second nut groove, 212 second ball 22
Third nut block 30
31 third of third nut perforation 311
312 third ball 32 of third nut groove
First wear track, 13 second wear track 23
Third wear track 33
" second embodiment "
Ball screw group 200
Screw rod 90
Screw channel 91
First nut block 40
First nut, 41 first ball 42
Second nut block 50
Second nut, 51 second ball 52
Third nut block 60
61 third ball 62 of third nut
The 4th wear track 44 of first wear track 43
The 5th wear track 54 of second wear track 53
The 6th wear track 64 of third wear track 63.
Specific implementation mode
For that can have further understanding and approval with its feature to the feature of the utility model, implementation below is hereby enumerated
Example simultaneously coordinates schema to be described as follows:
It please refers to Fig.1 to Fig. 7, the first preferred embodiment of the utility model provides a kind of ball screw group 100, main
Include a screw rod 90, one first nut block 10, one second nut block 20 and a third nut block 30, wherein:
It please refers to Fig.1 and Fig. 2, the screw rod 90, there is a spiral screw channel 91 on outer surface.
It please refers to Fig.1 and Fig. 4, first nut block 10 has one first nut 11 and one group of the first ball of plural number 12,
First nut 11 has one first perforation 111, and the inner surface of first perforation 111 has a spiral first nut ditch
Slot 112, first ball 12 are more steel balls, and first ball 12 is placed in the first nut groove of first nut 11
In 112, the contact angle that first ball 12 is contacted with 112 internal face of the first nut groove is 40 degree, the nut groove 112
One half side 12 contact angle of ball is in reversed (as shown in Figure 1) with another half side ball contact angle.
Referring to Fig. 5, second nut block 20, there is one second nut 21 and one group of the second ball of plural number 22, this
Two nuts 21 have one second perforation 211, and the inner surface of second perforation 211 has a spiral second nut groove
212, second ball 22 is more steel balls, and second ball 22 is placed in the second nut groove 212 of second nut 21
Interior, the contact angle that second ball 22 is contacted with 212 internal face of the second nut groove is 50 degree, the nut groove 212 1
Half side 22 contact angle of ball is with another half side ball contact angle in reversed.
Referring to Fig. 6, the third nut block 30, there is a third nut 31 and one group of plural third ball 32, this
There is three nuts 31 third perforation 311, the inner surface of third perforation 311 to have a spiral third nut groove
312, second ball 32 is more steel balls, and the third ball 32 is placed in the third nut groove 312 of the third nut 31
Interior, the contact angle that the third ball 32 is contacted with 312 internal face of third nut groove is 60 degree, the nut groove 312 1
Half side 32 contact angle of ball is with another half side ball contact angle in reversed.
So above-mentioned is Jie of the provided 100 each portion's component of ball screw group of the first preferred embodiment of the utility model
It continues, is then again described below its assembling mode and its handling characteristics:
First, it takes the screw rod 90, and the screw rod 90 is placed through in the first perforation 111 of first nut block 10, this
One ball 12 is located in the screw channel 91 of the screw rod 90 and the first nut groove 112 of first nut 11, and to the screw rod
90 with first nut block 10 bestow a precompression, make first ball 12 and the screw rod 90 91 internal face of screw channel and with
It is in close contact (as shown in Figure 4) between 112 internal face of the first nut groove of first nut 11, contact angle is 40 degree.This
Two nut blocks 20 and the third nut block 30 are then spare.
Wait for the screw rod 90 and first nut block 10 after a period of use, 91 internal face of screw channel of the screw rod 90
Both sides are respectively being worn one first wear track 13 (as shown in Figure 2 and Figure 3) by first ball 12, the of first nut 11
One nut groove, 112 internal face is also equally worn out track can be by first nut block 10 certainly when machining accuracy being caused to be deteriorated
Taken on the screw rod 90 from.
Then, which is placed through in the second perforation 211 of second nut block 20, which is located at should
In the screw channel 91 of screw rod 90 and the second nut groove 212 of second nut 21, and to the screw rod 90 and second nut
Group 20 bestows a precompression, make second ball 22 and the screw rod 90 91 internal face of screw channel and with second nut 21
It is in close contact (as shown in Figure 5) between second nut groove, 212 internal face, contact angle is 50 degree.
Wait for the screw rod 90 and second nut block 20 after a period of use, 91 internal face two of screw channel of the screw rod 90
Side is respectively being worn one second wear track 23 (as shown in Figure 7), the second nut of second nut 21 by second ball 22
212 internal face of groove is also equally worn out track, can be by second nut block 20 from the screw rod when machining accuracy being caused to be deteriorated
It is taken on 90 from and the second wear track 23 on the screw rod 90 is not Chong Die with first wear track 13.
Finally, which is placed through in the third perforation 311 of the third nut block 30, which is located at should
In the screw channel 91 of screw rod 90 and the third nut groove 312 of the third nut 31, and to the screw rod 90 and the third nut
Group 30 bestows a precompression, make the third ball 32 and the screw rod 90 91 internal face of screw channel and with the third nut 31
It is in close contact (as shown in Figure 6) between 312 internal face of third nut groove, contact angle is 60 degree.
Wait for the screw rod 90 and the third nut block 30 after a period of use, 91 internal face two of screw channel of the screw rod 90
Side is respectively being worn a third wear track 33 (as shown in Figure 7), the third nut of the third nut 31 by the third ball 32
312 internal face of groove is also equally worn, when machining accuracy being caused to be deteriorated, third wear track 33 on the screw rod 90 not with this
One wear track 13 and Chong Die with second wear track 23 can take screw rod 90 and the third nut block 30 from and again
Replace one group of ball screw group 100.
So due in the utility model, the contact angle of first nut block 10 is 40 degree, which connects
Feeler is 50 degree, and the contact angle of the third nut block 30 is 60 degree, wears the first wear track 13, second respectively in screw rod 90
Wear track 23 and third wear track 33, and the first wear track 13, the second wear track 23 and third wear track 33 are simultaneously
It is underlapped.Therefore, the screw rod 90 in the utility model can arrange in pairs or groups the first nut block 10, the second nut block 20 and third nut respectively
Group 30 is used, and positioning accuracy is not only interfered with, but also it is three times that can extend the service life of screw rod 90, can be greatly reduced more
Change the maintenance funds of screw rod 90.
Fig. 8 to Figure 12 is please referred to, the second preferred embodiment of the utility model provides a kind of ball screw group 200, with
It includes a screw rod 90, one first nut block 40, one second nut block 50 and a third nut block 60 that previous embodiment is identical,
The main difference of the two is:
In this present embodiment, which has two-phase using the pattern of double nut, i.e. first nut block 40
The first nut 41 and two groups of the first ball of plural number 42, the contact angle of each first nut 41 and each first ball 42 to connect be
40 degree, and the contact angle of the first nut of one 41 and the first ball of one 42 and another first nut 41 and another first ball
42 contact angle is in reversed (as shown in Figure 9).
Second nut block 50 has two the second spiral shells being connected with each other using the pattern of double nut, i.e. second nut block 50
The contact angle of cap 51 and two groups of the second ball of plural number 52, each second nut 51 and each second ball 52 is 50 degree, and one the
The contact angle of two nuts 51 and the second ball of one 52 and the contact angle of another second nut 51 and another second ball 52 are in
Reversely (as shown in Figure 10).
The third nut block 60 has the two third spiral shells being connected with each other using the pattern of double nut, i.e. the third nut block 60
The contact angle of cap 61 and two groups of plural third ball 62, each third nut 61 and each third ball 62 is 60 degree, and one the
The contact angle of three nuts 61 and one third ball 62 and the contact angle of another third nut 61 and another third ball 62 are in
Reversely (as shown in Figure 10).
Whereby, it arranges in pairs or groups after a period of use by screw rod 90 and the first nut block 40, can wear one on screw rod 90
First wear track 43 and one the 4th wear track 44.It arranges in pairs or groups after a period of use by screw rod 90 and the second nut block 50,
One second wear track 53 and one the 5th wear track 54 can be worn on screw rod 90, by screw rod 90 and third nut block 50
Collocation after a period of use, can wear a third wear track 63 and one the 6th abrasion in the screw channel 91 of screw rod 90
Track 63, and first wear track 43, the 4th wear track 44, the second wear track 53, the 5th wear track 54, third are ground
Damage non-overlapping copies (as shown in figure 12) between track 63 and the 6th wear track 64.
Whereby, ball screw group provided by the utility model, can not only be used in the pattern of single nut, can also use
In the pattern of double nut, keep its use scope more extensive, the use that all can effectively make screw rod 90 be repeated quickly and easily as many times as required, and prolong
Long bolt 90 makes the service life.
It is above to be taken off, preferred embodiment only provided by the utility model, not limiting the utility model
Practical range, all those skilled in the art should all belong to this practicality according to the equivalent change carried out by the utility model
Novel covered range.
Claims (6)
1. a kind of ball screw group, which is characterized in that include mainly：
One screw rod has a spiral screw channel on outer surface；
There is one first nut block one first nut and one group of the first ball of plural number, first nut to have one first perforation,
There is the inner surface of first perforation a spiral first nut groove, first ball to be placed in the first nut groove
It is interior, with scheduled contact angular contact, the first nut groove half between first ball and the first nut trench wall face
The ball contact angle of side is with another half side ball contact angle in reversed；
There is one second nut block one second nut and one group of the second ball of plural number, second nut to have one second perforation,
There is biperforate inner surface a spiral second nut groove, second ball to be placed in the second nut groove
It is interior, with scheduled contact angular contact, the second nut groove half between second ball and the second nut trench wall face
The ball contact angle of side is with another half side ball contact angle system in reversed；And second nut block contact angle and the first nut block
Contact angle it is different；
First nut block is to arrange in pairs or groups alone to use with the screw rod in a manner of replacement ground with second nut block, makes first nut
Group respectively grinds one first wear track in the both sides of the screw rod spiral shell ditch internal face of the screw rod, spiral shell of second nut block in the screw rod
Bar spiral shell ditch internal face both sides respectively grind one second wear track, and first wear track and the second wear track non-overlapping copies.
2. ball screw group according to claim 1, it is characterised in that：Also include a third nut block, the third spiral shell
There is cap group a third nut and one group of plural third ball, the third nut to perforate with a third, third perforation
There is inner surface a spiral third nut groove, the third ball to be placed in the third nut groove, the third
With scheduled contact angular contact, the half side ball contact of the third nut groove one between ball and the third nut trench wall face
Angle is with another half side ball contact angle in reversed；And the contact angle and second of the contact angle of third nut block and the first nut block
The contact angle of nut block is different；
Third nut block is to arrange in pairs or groups alone to use with the screw rod in a manner of replacement ground, screw rod spiral shell of the third nut block in the screw rod
The both sides of ditch internal face respectively grind a third wear track, and first wear track, the second wear track and third wear rail
Mark non-overlapping copies.
3. ball screw group according to claim 2, it is characterised in that：In first ball and the first nut groove
The contact angle of wall surface contact is 40 degree, and the contact angle that second ball is contacted with the second nut trench wall face is 50 degree,
The contact angle that the third ball is contacted with the third nut trench wall face is 60 degree.
4. a kind of ball screw group, which is characterized in that include mainly：
One screw rod has a spiral screw channel on outer surface；
There are one first nut block 2 first nuts and two groups of the first ball of plural number, two first nuts to be connected in one, and each the
There is one nut one first perforation, the inner surface of each first perforation to have a spiral first nut groove, this two groups multiple
First ball system of number is placed in its corresponding first nut groove, the first ball of each group the first nut groove corresponding with this
With scheduled contact angular contact between internal face；Contact angle between the first ball of one first nut and one of first nut block with
Contact angle between another first nut and another first ball is in reversed；
There are one second nut block 2 second nuts and two groups of the second ball of plural number, two second nuts to be connected in one, and each the
There is two nuts one second perforation, each biperforate inner surface to have a spiral second nut groove, two groups of plural numbers
The second ball be placed in its corresponding second nut groove, the second ball of each group the second nut trench wall corresponding with this
With scheduled contact angular contact between face；Contact angle between the second ball of one second nut and one of second nut block is another with this
Contact angle between second nut and another second ball is in reversed；And second nut block contact angle and the first nut block contact
Angle is different；
First nut block is to arrange in pairs or groups alone to use with the screw rod in a manner of replacement ground with second nut block, makes first nut
Group respectively grinds one first wear track, the 4th wear track in the both sides of the screw rod spiral shell ditch internal face of the screw rod, second nut
Group respectively grinds one second wear track, the 5th wear track, and first abrasion in the screw rod spiral shell ditch internal face both sides of the screw rod
Track, the 4th wear track, the second wear track, the 5th wear track non-overlapping copies.
5. ball screw group according to claim 4, it is characterised in that：Also include a third nut block, third nut
Group is connected in one with two third nuts and two groups of plural third ball, two third nuts, and each third nut has one the
There is the inner surface of three perforation, each third perforation a spiral third nut groove, the third ball of two groups of plural numbers to be placed in
In its corresponding third nut groove, each group third ball is connect between third nut trench wall face corresponding with this with scheduled
Feeler contacts；Contact angle between the third nut and one third ball of third nut block and another third nut and another
Contact angle between third ball is in reversed；And the contact angle and the second nut block of the contact angle of third nut block and the first nut block
Contact angle it is different；
Third nut block is to arrange in pairs or groups alone to use with the screw rod in a manner of replacement ground, screw rod spiral shell of the third nut block in the screw rod
The both sides of ditch internal face respectively grind a third wear track, the 6th wear track, and first wear track, the 4th abrasion rail
Mark, the second wear track, the 5th wear track, third wear track, the 6th wear track non-overlapping copies.
6. ball screw group according to claim 5, it is characterised in that：In first ball and the first nut groove
The contact angle of wall surface contact is 40 degree, and the contact angle that second ball is contacted with the second nut trench wall face is 50 degree,
The contact angle that the third ball is contacted with the third nut trench wall face is 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820276488.4U CN208010884U (en) | 2018-02-27 | 2018-02-27 | Ball screw group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820276488.4U CN208010884U (en) | 2018-02-27 | 2018-02-27 | Ball screw group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010884U true CN208010884U (en) | 2018-10-26 |
Family
ID=63886960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820276488.4U Expired - Fee Related CN208010884U (en) | 2018-02-27 | 2018-02-27 | Ball screw group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208010884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195769A (en) * | 2018-02-27 | 2019-09-03 | 陈鹏任 | Ball screw group and its application method |
-
2018
- 2018-02-27 CN CN201820276488.4U patent/CN208010884U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195769A (en) * | 2018-02-27 | 2019-09-03 | 陈鹏任 | Ball screw group and its application method |
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