CN107088845A - A kind of hardness uniform super hard abrasive oilstone shaping stand material device - Google Patents
A kind of hardness uniform super hard abrasive oilstone shaping stand material device Download PDFInfo
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- CN107088845A CN107088845A CN201710289631.3A CN201710289631A CN107088845A CN 107088845 A CN107088845 A CN 107088845A CN 201710289631 A CN201710289631 A CN 201710289631A CN 107088845 A CN107088845 A CN 107088845A
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- oilstone
- stand material
- super hard
- stand
- hardness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
Abstract
The present invention relates to a kind of hardness uniform super hard abrasive oilstone shaping stand material device.Stand material device includes frame, the frame is provided with the stand material arm and die setting base along z to extension, die setting base is used to install oilstone mould in the case where oilstone mould length is along x to extension, width along y to the posture of extension, it is described stand material arm and die setting base between can do along x to z to relatively be combined move back and forth, this is combined the two end portions of reciprocating track highly higher than center section height, and the lower end of the stand material arm is provided with stand material head.It is small that stand material device makes the powder to be sintered of correspondence oilstone to be formed that center section thickness is presented in cloth, the big feature of two end portions thickness, matched moulds makes sintering pressure that the characteristics of being small at both ends and big in the middle is presented when sintering, when balancing sintering due to sintering temperature two that outside heat radiation is caused it is low, it is middle it is high caused by sinter power uneven, significantly improve the uniformity of hardness of oilstone.
Description
Technical field
The present invention relates to superhard material products technical field, and in particular to a kind of uniform super hard abrasive oilstone shaping of hardness is used
Stand material device.
Background technology
Metallic bond super hard abrasive oilstone is by super hard abrasive 100 (diamond or cubic boron nitride) and metallic bond
The 101 strip grinding tools (as shown in Figure 1) being made.Wherein, super hard abrasive plays ablation；Bonding agent bonds super hard abrasive shape
Into oilstone shape, while ensureing the self-sharpening and certain durability of oilstone during grinding.Metallic bond super hard abrasive oilstone by
In having the advantages that strong high in machining efficiency, abrasive material hold, service life length, intensity height, grinding accuracy are high, it is widely used in axle
Hold roughing, half essence and the finishing of the precision component such as raceway groove and raceway, IC engine cylinder, machine tool guideway, optics, electronic instrument
Work etc..
Uniformity of hardness is one of most important quality index of metallic bond super hard abrasive oilstone：Generally oilstone is wear-resisting
Property be directly proportional to oilstone hardness, the uniformity of hardness of such as oilstone is poor, then the wear rate of oilstone different parts in use
Will be inconsistent, this shape and dimensional accuracy for not only resulting in oilstone can not ensure (now oilstone must be repaired to protect
Its accuracy of form and position is demonstrate,proved, but because finishing is frequent, significantly reduces production efficiency), while can more seriously cause processed
Journey it is serious unstable, cause workpiece to scratch, grinding accuracy reduction, the processing problems such as surface roughness is uneven.Therefore, for
Super hard abrasive oilstone is especially finished, microstoning oilstone, and its uniformity of hardness should be controlled strictly, the hardness of diverse location
Value difference should be within 5.
Metallic bond super hard abrasive oilstone is generally prepared based on hot-pressing sintering technique, and concrete technology flow process is as follows：1. mix
Material, required super hard abrasive is well mixed with metallic bond powder in the equipment such as three-dimensional eddy current batch mixer, obtains to be sintered
Powder；2. it is single needed for being put into graphite jig die cavity after graphite jig assembling according to the suitable graphite jig of oilstone selection of dimension
The powder to be sintered of weight, and powder is uniformly shakeout (as shown in Figure 2), mould top board is covered afterwards, and (top board connects with powder
Contacting surface is plane)；3. mould to be sintered is put on pressing sintering, according to sintering process (sintering temperature, the sintering pressure of setting
Power) it is sintered, obtain oil stone blank；4. oil stone blank is finished, obtains final products.
The uniformity of hardness of metallic bond super hard abrasive oilstone prepared by above conventional thermocompression sintering process is poor, oilstone
The Rockwell hardness value difference of different parts is up to more than 10, and generally hardness is high in the middle part of oilstone, and two ends hardness is relatively low, it is impossible to meet half
Finishing, the oilstone requirement of finishing super hard abrasive.The key reason for problem above occur is：The hardness of metallic bond oilstone
It is closely related with sintering pressure, sintering temperature, equal proportional；In conventional thermocompression sintering process, shaping powder uniformly divides
Cloth, surface strike off, and pressure distribution is more uniform during sintering；But the sintering temperature at each position of oilstone is uneven, and this is due to
Hot pressed sintering is based on the lower graphite jig heat production of high current effect and forms high temperature, and then metal dust in mould is sintered, by
Carried out in sintering process in open environment, graphite jig inevitably has the thermal radiation phenomena to environment, therefore graphite
Portion is gradually reduced the temperature of mould from the inside, and the sintering temperature of corresponding oilstone is also that middle part is high, gradually reduces, makes to both sides
Oilstone hardness is uneven after into firing, and oilstone hardness is gradually reduced from middle part to two ends, and influence oilstone quality and accurate grinding should
With.
In the prior art, application publication number for CN106217273A patent disclose a kind of diamond honing oil stone and its
Preparation method, diamond honing oil stone is made up of the raw material of following percentage by weight：Granularity is that 400 mesh~1000 mesh diamonds are micro-
Powder 5~10% and metallic bond 90~95%；The metallic bond by copper and tin prealloy powder 45~55%, silver powder 12~
20%th, magnesium powder 30~33% and granularity are that the mesh talcum powder 2~5% of 200 mesh~800 is constituted；Specific preparation method be by batch mixing,
The processes such as mould molding, sintering, Equal-channel Angular Pressing prepare oil stone blank, and finally oil stone blank is machined, and obtain
To the qualified finished product of dimensional accuracy.The patent makes oilstone bonding agent crystal grain by carrying out Equal-channel Angular Pressing to oil stone blank
Fully refined and structural homogenity is improved, so as to significantly improve the uniformity of hardness of oilstone bonding agent.But the patent is needed
Special Equal-channel Angular Pressing equipment is used, production cost is added, production process is also complex.
The content of the invention
It is an object of the invention to provide a kind of hardness uniform super hard abrasive oilstone shaping stand material device, so as to solve existing
With the presence of preparation method production cost it is high, production process is complicated the problem of.
To achieve the above object, the technical scheme of the uniform super hard abrasive oilstone shaping stand material device of hardness of the invention
It is：
A kind of hardness uniform super hard abrasive oilstone shaping stand material device, including frame, the frame provided with can along z to
The stand material arm and die setting base of extension, die setting base be used for oilstone mould length along x to extension, width along y to
Oilstone mould is installed under the posture of extension, can be done between stand material arm and die setting base along x to z to it is relatively multiple
Close and move back and forth, the two end portions for being combined reciprocating track are highly higher than under center section height, the stand material arm
End is provided with stand material head.
The uniform super hard abrasive oilstone shaping stand material device of hardness that the present invention is provided, presents powder to be sintered during cloth
Center section thickness is small, the big feature of two end portions thickness, in the position of powder thickness when matched moulds is sintered, by upper pressure during sintering
The pressure that plate is descended is relatively higher, so as to improve the hardness after the sintering of the position；In sintering, that two is presented is big or middle for sintering pressure
Between it is small the characteristics of, when balancing sintering due to sintering temperature two that outside heat radiation is caused it is low, it is middle it is high caused by sinter
Power is uneven, significantly improves the uniformity of hardness of oilstone, the hardness value difference of oilstone diverse location fully meets essence within 4
Processing, strict demand of the microstoning to oilstone uniformity of hardness.
It is preferred that, die setting base can do along x to reciprocating motion, stand material arm can do along z to reciprocating motion.Further
It is preferred that, elastic device is top-loaded between the stand material arm and frame, die setting base includes being used in reciprocatory movement
Drive the stand material reciprocating spill of arm framed together with the elastic device, the female arch has matches somebody with somebody with stand material arm
The symmetrical concave surface in two ends of conjunction.
Line and horizontal line formation angle α between the minimum point and peak of the symmetrical concave surface in two ends, it is described
The scope of angle α is 1 °~4 °.It is further preferred that the symmetrical concave surface in two ends is cancave cambered surface.
It is preferred that, when the length of super hard abrasive oilstone is not more than 90mm, the scope of angle α is 2 °~4 °.Super hard abrasive oil
The length of stone is in 90~200mm, and the scope of angle α is 1 °~2 °.Angle α it is excessive or it is too small be unfavorable for improve oilstone hardness
Uniformity, when α is less than above range, the raising to oilstone two ends zone hardness after sintering is limited in one's ability；When α is more than above-mentioned model
When enclosing, easily cause oilstone two ends hardness after sintering and improve excessive, cause oilstone hardness two ends big, it is middle low, cause new hard
Degree is uneven.
The stand material arm includes rolling the rolling member coordinated with the framed concave surface of spill.
The rolling member is the roller bearing along y to extension.
The lower end of the stand material arm is provided with stand material knife.
The hardness uniform super hard abrasive oilstone shaping stand material device of the present invention, it is simple in construction, it can facilitate powder to be sintered
The upper surface of material paves concavity face, and then for preparing the uniform super hard abrasive oilstone of hardness；Can be by changing different spills
It is framed to obtain suitable stand material shape, meet the making demand of different size super hard abrasive oilstones.
Brief description of the drawings
Fig. 1 is the structural representation of oilstone；
Fig. 2 is traditional oilstone stand material state sectional view；
Fig. 3 expects the structural representation of device for the stand of the present invention；
Fig. 4 is Fig. 3 three dimensional structure diagram；
Fig. 5 is Fig. 3 front view；
Fig. 6 is Fig. 3 left view；
Fig. 7 is Fig. 3 top view；
Fig. 8 expects structural representation of the device when feeding intake operation for the stand of the present invention；
Fig. 9 expects structural representation of the device in stand material operation for the stand of the present invention；
Figure 10 spreads out material state sectional view for the oilstone of the present invention；
Figure 11 is the distribution schematic diagram of the hardness determination point of oilstone.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the uniform super hard abrasive oilstone shaping stand material device of hardness of the present invention, such as Fig. 3 to Fig. 7 institutes
Show, including be connected to by alignment pin 27 spill setting up and down framed 17, graphite framed 15 and stone on die setting base 11
Black bottom plate 14, graphite bottom plate 14 and graphite framed 15 surround oilstone mould, the upper surface of spill framed 17 along z to section
For the high symmetrical cancave cambered surface in two ends in middle low, two ends, the line and level between the minimum point and peak of cancave cambered surface are linear
Into angle α, angle α scope is 1 °~4 °；Die setting base 11 is fixed by the nut 8 of nut fixed block 6 and ball screw assembly,
Connection；Ball screw assembly, is in the frame 10, and the both sides in frame 10 positioned at ball screw assembly, spaced and parallel are provided with two guide rails
13 and with respective guide rail 13 coordinate sliding block 7, the upper end of sliding block 7 is connected with die setting base 11, to realize in ball screw assembly,
Induced effect under, spill framed 17, graphite framed 15 and graphite bottom plate 14 can be reciprocated along guide rail direction (x to)；
It is additionally provided with the U-shaped support 22 for fixed stand material arm sleeve 21 in frame 10, the opening of U-shaped support 22 is towards frame
10, the width of opening is more than the width on two guide rails between the outside of respective slide, can opening in support to meet sliding block
It is intraoral slidably；When the top of support is provided with stand material towards spill framed 17 opening feed leakage bucket 23 and along z to extension
Stand material arm 19, stand material arm 19 has construction section and active section, and its construction section is sheathed in the stand material arm sleeve 21, stand material arm set
The top pressure spring 24 of clamp nut 25 setting up and down and top pressure stand material arm, clamp nut 25 and top pressure spring are additionally provided with cylinder 21
The top pressure structure that 24 formation top pressure stand material arms are moved downward；The active section of stand material arm 19 is provided with setting up and down along y to extension
Roller bearing 20, stand material knife 16, roller bearing 20 be installed on stand material arm internal bearings on rolled with realizing along axis, stand expect knife 16
It is fixed on by spreading out material knife housing screw 18 in the cutter groove of stand material arm, the roller bearing when spreading out material on the material arm 19 of top pressure structure top pressure stand
20 fit with the upper surface (concave surface) of spill framed 17, so when spill framed 17 is reciprocated as level, roller bearing 20, stand
Material knife 16 makees the stand material action that the upper surface framed with spill matches, and stand expects knife 16 by the upper table of the powder to be sintered in die cavity
Face paves into cancave cambered surface；Stand material arm sleeve vertically movement is assemblied on support 22, and compresses spiral shell by spreading out material arm sleeve
The regulation of nail 26 stand material arm sleeve stretches into or left spill framed 17；The inner width direction of spill framed 17 and the superhard abrasive of compacting
Expect that the width of oilstone is consistent, to ensure that stand material knife can scrape edge, the framed length direction of spill is more superhard than what is suppressed
The length of abrasive material oilstone will be grown, and to avoid stand material knife housing screw and roller bearing, stand is expected that knife moves to the framed length side of graphite
To edge.
Servomotor 1, shaft coupling 2, motor connection flange 3, bearing 4, inner pedestal 5, ball wire are additionally provided with frame 10
Thick stick 9, outer bearing carrier 12, to fix ball screw assembly, and provide power for it.
Structural representation of the stand material device of the present embodiment when feeding intake operation is as shown in figure 8, unscrew stand material arm sleeve pressure
Tight screw, rises to extreme higher position by stand material arm sleeve, the height of stand material head is higher than the height of alignment pin, now servomotor
Start, driving ball screw assembly, action makes nut move along a straight line, drives die setting base to be moved to the left with this, and then drives
Graphite bottom plate, graphite are framed and spill is framed is moved to the left, when reaching setpoint distance up to displacement, servomotor reversion, drive
Dynamic graphite bottom plate, graphite are framed and spill is framed moves right, and when reaching setpoint distance, servomotor is rotated forward, and is realized with this
The effect that graphite bottom plate, graphite are framed and spill is framed is back and forth at the uniform velocity moved.Back and forth after at the uniform velocity mobile formation, fallen into feed leakage bucket
Enter mixed abrasive material, abrasive material is automatically flowed into the framed die cavity constituted of graphite bottom plate and graphite, and due to graphite bottom plate
At the uniform velocity moved with framed reciprocal of graphite, abrasive material is evenly distributed in die cavity, until abrasive material leak in feed leakage bucket, complete
The even process that feeds intake.
The present embodiment stand material device stand material operation when structural representation as shown in figure 9, feed intake process complete after,
Servomotor stops, and now feed leakage bucket is removed, and unscrews stand material arm sleeve housing screw, according to mixed abrasive material requirement, will spread out
Material arm sleeve drops to required position, and now roller bearing is pressed on the framed cancave cambered surface of spill, and stand material head is located at graphite bottom plate and stone
In the die cavity of the framed composition of ink, now start servomotor, make its driving graphite bottom plate, graphite framed and spill is framed reciprocal even
Speed is mobile, and now internally cancave cambered surface framed with spill under spring pressure is brought into close contact on the face of cylinder of roller bearing, and can be along concave arc
Face is rolled, because stand material arm sleeve is fixed on support, therefore movement locus and the framed cambered surface one of spill during roller bearing rolling
Cause, and spread out material head and be fixed on the material seat of stand, the movement locus for spreading out material head is also consistent with the cambered surface that spill is framed, so as to ensure to scrape
Powder to be sintered shaped upper part and spill it is framed consistent.
The present invention stand material device other embodiment in, the framed upper surface of spill along z to section can be V-arrangement,
" the flat V-arrangement " of V-Bottom is removed, " the flat arcs of recesses " or the high symmetric form in low, two ends in the middle of other at arcs of recesses bottom is removed；
Stand material arm and die setting base between do along x to z to relatively be combined reciprocating motion can be realized by other forms, such as utilize
Current existing Digit Control Machine Tool, realizes that die setting base is motionless, by control system control stand material arm make along x to z to answer
Close and move back and forth, the upper surface of powder to be sintered is paved into arcs of recesses.
The embodiment 1 of the preparation method of the uniform super hard abrasive oilstone of hardness of the present invention, the oilstone size to be prepared is
80mm (L) × 5mm (B) × 4mm (C), expects device using above-mentioned stand, comprises the following steps：
1) take metallic bond and diamond abrasive to be well mixed in batch mixer, obtain powder to be sintered；Wherein metal
The quality percentage accounting of bonding agent is 80%, and the quality percentage accounting of diamond abrasive is 20%；Metallic bond is bronze base
Bonding agent, is made up of the component of following mass percent：Copper powder 80%, glass putty 15%, cobalt powder 3%, silver powder 2%；Buddha's warrior attendant stone mill
The granularity of material is W28；
2) according to oilstone size, select suitable graphite jig and assemble, powder to be sintered is uniformly put into graphite mo(u)ld
Have die cavity, then the upper surface of powder to be sintered is paved into cancave cambered surface, the angle α of cancave cambered surface is 3 °, covers and is pressed on stone mill mould
Plate (contact surface of top board and powder to be sintered is plane), obtains mould to be sintered；
3) mould to be sintered is placed on pressing sintering under 550 DEG C, 25MPa and sinters 0.1h, oil stone blank is made, then
Oil stone blank is machined, the qualified oilstone finished product of dimensional accuracy is obtained.
In the present embodiment, as shown in Figure 10, home position as shown in Figure 11 is from left-hand for the sectional view of oilstone stand material state
HRB hardness (surveying 13 point datas altogether) is beaten on the right side successively；Using traditional handicraft stand material (by powder in stone when the oilstone of comparative example 1 makes
Uniformly shakeout in black mould), the formula of oilstone and other manufacturing process are identical with embodiment 1, equally each by Figure 11 detections
Point hardness, as a result as shown in table 1.
Embodiment 1 and the gained oilstone of comparative example 1 are used for the grinding of cast iron part, the contrast of its ground effect is as shown in table 2.
The embodiment 1 of table 1 and each point hardness number contrast table of the gained oilstone of comparative example 1
The embodiment 1 of table 2 and the ground effect contrast table of the gained oilstone of comparative example 1
| Surface roughness (Ra/ μm) | Finishing frequency (part/time) | Workpiece scratches situation | The oilstone life-span | |
| Embodiment 1 | 0.2 | 1400 | Nothing | 18000 |
| Comparative example 1 | 0.4 | 600 | Scratch more | 8500 |
The embodiment 2 of the preparation method of the uniform super hard abrasive oilstone of hardness of the present invention, the oilstone size to be prepared is
150mm (L) × 6mm (B) × 6mm (C), expects device using above-mentioned stand, comprises the following steps：
1) take metallic bond and diamond abrasive to be well mixed in batch mixer, obtain powder to be sintered；Wherein metal
The quality percentage accounting of bonding agent is 85%, and the quality percentage accounting of diamond abrasive is 15%；Metallic bond is cobalt-based knot
Mixture, is made up of the component of following mass percent：Cobalt powder 65%, copper powder 20%, iron powder 10%, glass putty 5%；Diamond abrasive
Granularity be W14；
2) according to oilstone size, select suitable graphite jig and assemble, powder to be sintered is uniformly put into graphite mo(u)ld
Have die cavity, then the upper surface of powder to be sintered is paved into cancave cambered surface, the angle α of cancave cambered surface is 2 °, covers and is pressed on stone mill mould
Plate (contact surface of top board and powder to be sintered is plane), obtains mould to be sintered；
3) mould to be sintered is placed on pressing sintering under 700 DEG C, 45MPa and sinters 0.2h, oil stone blank is made, then
Oil stone blank is machined, the qualified oilstone finished product of dimensional accuracy is obtained.
In the present embodiment, as shown in Figure 10, home position as shown in Figure 11 is from left-hand for the sectional view of oilstone stand material state
HRB hardness (surveying 13 point datas altogether) is beaten on the right side successively；Using traditional handicraft stand material (by powder in stone when the oilstone of comparative example 2 makes
Uniformly shakeout in black mould), the formula of oilstone and other manufacturing process are identical with embodiment 1, equally each by Figure 11 detections
Point hardness, as a result as shown in table 3.
Embodiment 2 and the gained oilstone of comparative example 2 are used for the grinding of stainless steel work-piece, its ground effect is to the such as institute of table 4
Show.
The embodiment 2 of table 3 and each point hardness number contrast table of the gained oilstone of comparative example 2
The embodiment 2 of table 4 and the ground effect contrast table of the gained oilstone of comparative example 2
| Surface roughness (Ra/ μm) | Finishing frequency (part/time) | Workpiece scratches situation | The oilstone life-span | |
| Embodiment 2 | 0.1 | 1800 | Nothing | 32000 |
| Comparative example 2 | 0.2 | 850 | Scratch more | 13500 |
The embodiment 3 of the preparation method of the uniform super hard abrasive oilstone of hardness of the present invention, the oilstone size to be prepared is
200mm (L) × 7mm (B) × 5mm (C), expects device using above-mentioned stand, comprises the following steps：
1) take metallic bond and diamond abrasive to be well mixed in batch mixer, obtain powder to be sintered；Wherein metal
The quality percentage accounting of bonding agent is 75%, and the quality percentage accounting of diamond abrasive is 25%；Metallic bond is copper-based knot
Mixture, is made up of the component of following mass percent：Copper powder 70%, glass putty 11%, iron powder 15%, cobalt 4%；Diamond abrasive
Granularity is W10；
2) according to oilstone size, select suitable graphite jig and assemble, powder to be sintered is uniformly put into graphite mo(u)ld
Have die cavity, then the upper surface of powder to be sintered is paved into cancave cambered surface, the angle α of cancave cambered surface is 1 °, covers and is pressed on stone mill mould
Plate (contact surface of top board and powder to be sintered is plane), obtains mould to be sintered；
3) mould to be sintered is placed on pressing sintering under 600 DEG C, 30MPa and sinters 0.15h, oil stone blank is made,
Oil stone blank is machined again, the qualified oilstone finished product of dimensional accuracy is obtained.
In the present embodiment, as shown in Figure 10, home position as shown in Figure 11 is from left-hand for the sectional view of oilstone stand material state
HRB hardness (surveying 13 point datas altogether) is beaten on the right side successively；Using traditional handicraft stand material (by powder in stone when the oilstone of comparative example 3 makes
Uniformly shakeout in black mould), the formula of oilstone and other manufacturing process are identical with embodiment 1, equally each by Figure 11 detections
Point hardness, as a result as shown in table 5.
Embodiment 3 and the gained oilstone of comparative example 3 are used for the grinding of hard alloy cutter cutting edge, its ground effect is to such as
Shown in table 6.
The embodiment 3 of table 5 and each point hardness number contrast table of the gained oilstone of comparative example 3
The embodiment 3 of table 6 and the ground effect contrast table of the gained oilstone of comparative example 3
| Surface roughness (Ra/ μm) | Finishing frequency (part/time) | Workpiece scratches situation | The oilstone life-span | |
| Embodiment 3 | 0.05 | 1200 | Nothing | 11500 |
| Comparative example 3 | 0.1 | 490 | Scratch frequent | 4500 |
From above testing result, the hardness value difference of the diverse location of super hard abrasive oilstone exists obtained by method of the invention
Within 4, uniformity of hardness is good；Ground effect experiment shows that the uniform super hard abrasive oilstone of hardness prepared by method of the invention is ground
The precision for cutting processing is high, considerably reduces the finishing frequency of oilstone, and is scratched substantially without workpiece, improves the oilstone life-span.
Claims (10)
1. a kind of hardness uniform super hard abrasive oilstone shaping stand material device, it is characterised in that including frame, set in the frame
There is a stand material arm and die setting base along z to extension, die setting base is used in oilstone mould length along x to extension, wide
Degree along y to the posture of extension under oilstone mould is installed, can be done between stand material arm and die setting base along x to z to
Relatively be combined move back and forth, this be combined reciprocating track two end portions highly higher than center section highly, the stand
Expect the lower end of arm provided with stand material head.
2. hardness uniform super hard abrasive oilstone shaping stand material device as claimed in claim 1, it is characterised in that mould installion
Seat can do along x to reciprocating motion, stand material arm can do along z to reciprocating motion.
3. hardness uniform super hard abrasive oilstone shaping stand material device as claimed in claim 2, it is characterised in that the stand material
Elastic device is top-loaded between arm and frame, die setting base is including being used in reciprocatory movement and the elastic device one
Play driving stand and expect that the reciprocating spill of arm is framed, under the female arch has the two ends coordinated with stand material arm symmetrical
Concave surface.
4. hardness uniform super hard abrasive oilstone shaping stand material device as claimed in claim 3, it is characterised in that the two ends
Line and horizontal line formation angle α between the minimum point and peak of symmetrical concave surface, the scope of the angle α for 1 °~
4°。
5. hardness uniform super hard abrasive oilstone shaping stand material device as claimed in claim 4, it is characterised in that the two ends
Symmetrical concave surface is cancave cambered surface.
6. the hardness uniform super hard abrasive oilstone shaping stand material device as described in claim 3 or 4, it is characterised in that superhard
When the length of abrasive material oilstone is not more than 90mm, the scope of angle α is 2 °~4 °.
7. the hardness uniform super hard abrasive oilstone shaping stand material device as described in claim 3 or 4, it is characterised in that superhard
The length of abrasive material oilstone is in 90~200mm, and the scope of angle α is 1 °~2 °.
8. hardness uniform super hard abrasive oilstone shaping stand material device as claimed in claim 3, it is characterised in that the stand material
Arm includes rolling the rolling member coordinated with the framed concave surface of spill.
9. hardness uniform super hard abrasive oilstone shaping stand material device as claimed in claim 8, it is characterised in that the rolling
Part is the roller bearing along y to extension.
10. the hardness uniform super hard abrasive oilstone shaping stand material device as described in any one of Claims 1 to 4, its feature exists
In the lower end of the stand material arm is provided with stand material knife.
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| CN201710289631.3A CN107088845B (en) | 2017-04-27 | 2017-04-27 | A kind of hardness uniform super hard abrasive oilstone molding booth material device |
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| CN201710289631.3A CN107088845B (en) | 2017-04-27 | 2017-04-27 | A kind of hardness uniform super hard abrasive oilstone molding booth material device |
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| CN107088845B CN107088845B (en) | 2019-04-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168589A (en) * | 2020-01-09 | 2020-05-19 | 石家庄福澈研磨科技有限公司 | Cutting and grinding dual-purpose grinding wheel and preparation method thereof |
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| CN111168589A (en) * | 2020-01-09 | 2020-05-19 | 石家庄福澈研磨科技有限公司 | Cutting and grinding dual-purpose grinding wheel and preparation method thereof |
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