CN86108903A - Method and device at double housing planer upper periphery grinding guide track of machine-tool - Google Patents
Method and device at double housing planer upper periphery grinding guide track of machine-tool Download PDFInfo
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- CN86108903A CN86108903A CN86108903.0A CN86108903A CN86108903A CN 86108903 A CN86108903 A CN 86108903A CN 86108903 A CN86108903 A CN 86108903A CN 86108903 A CN86108903 A CN 86108903A
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Abstract
A kind of method and device thereof at double housing planer upper periphery grinding guide track of machine-tool.This method and apparatus features thereof are to utilize metal-planing machine as machine-tool, do not change its structure, only to having closing precision and parameter to adjust selection, install the periphery rail grinding device additional and just can carry out periphery rail grinding processing or flat surface grinding processing.Crudy can reach national lathe precision acceptance criteria.
Description
The present invention relates to carry out on double housing planer the method and the device thereof of peripheral grinding, is a kind of technology of metal-planing machine being carried out being used for after precision and parameter are selected the machine tool guideway peripheral grinding.
Surrounding rail grinding machine is one of critical process of lathe manufacturing and repairing.At present, implement the main means of this technology both at home and abroad and roughly divide two big classes, the one, on accurate planer-type guide rail mill, carry out peripheral grinding with the major diameter emery wheel.But this apparatus value costliness, West Germany of import produces a watt Freundlich precise guide rail mill, is worth up to surplus 400 ten thousand yuan, and homemade also wants six or seven ten ten thousand yuan.The 2nd, adopt the grinding of many abrasive wheel formings, however the big polyphyly self-control of this kind equipment special equipment, not only manufacture difficulty and investment are big, and adaptability to changes is poor.
General metal-planing machine generally can only be used for carrying out planing operation, also has the people to install end face bistrique grinding guide track of machine-tool additional on double housing planer, but because of the grinding quality difference with efficient is low is not promoted.Also have and install the trial that peripheral bistrique carries out grinding additional, do not have successfully because of the selection of operating rate is inappropriate.The present invention's operating rate in the past is typically chosen in about 15 meters/minute, because operating rate is low, the big shortcoming of grinding ripple that does not overcome the not stationarity of tooth bar transmission and cause, it is undesirable to add grinding wheel head structure, so, at present also do not find on double housing planer, successfully to carry out the example of peripheral grinding machine tool guideway, do not retrieve the data of relevant this respect yet.
The objective of the invention is on double housing planer, to install additional the peripheral grinding device,, on double housing planer, carry out periphery rail grinding processing with the process of multistep molding, also can carry out flat surface grinding processing, to reach the saving fund, digging equipment potential solves and produces the effect of being badly in need of.
The present invention realizes by following method and device thereof.It comprises: A, the have closing precision and the operation parameter of metal-planing machine are carried out choose reasonable, to adapt to the requirement of peripheral grinding technology; B, the peripheral grinding device that is used with metal-planing machine.
Now above two aspects are illustrated respectively.
1, metal-planing machine has the selection of closing precision and parameter, and it comprises the selection of metal-planing machine kinematic accuracy and the selection of operating rate.The selection of first, kinematic accuracy has: A, the movable workbench linearity △ in vertical plane, during the lathe for machining guide rail according to formula △=δ ((L)/(l))
2K selects, δ represents workpiece nonstraightness error (millimeter) in the formula, L represents table stroke length (rice), l represents workpiece grinding length (rice), K is a correction factor, do not have this correction factor in the former formula, introduce this correction factor and can make theoretical value and actual machining accuracy more approaching, correction factor K selects in 1.3～1.5 scopes.Gradient when B, movable workbench generally is transferred in 0.01 millimeter/meter～0.02 millimeter/Mi Quanchang.The selection of second, operating rate: operating rate is one of key parameter that guarantees crudy, and conventional grinding speed limit generally is about 15 meters/minute below 30 meters/minute, and the present invention is chosen in 30～60 meters/minute with operating rate, preferably 35～50 meters/minute.This operating rate not only helps increasing work efficiency, and can reduce the grinding ripple.In addition, crossbeam has closing precision, and slide plate, planker etc. slide and pay gap standard adjustment selection routinely.
2, the peripheral grinding device that is used with metal-planing machine.Do not find also that at present similarly device uses on double housing planer.This device comprises: hydrostatic bistrique, Hydraulic Station, electric box, button station, water tank, paper money wheel dresser, bistrique base plate and motor etc.This device is to combine with metal-planing machine in such a way, as shown in Figure 1, after the former knife rest of planer folding removed, bistrique base plate (14) is fixed on the planer ram, again hydrostatic bistrique (7) and motor are fixed on the bistrique base plate (14), electric box (6), button station (11) are fixed on planer wallboard side, and Hydraulic Station (5), water tank (4) are placed on the planer appropriate location, and dresser (13) is fixed on the work top.
In the package unit, hydrostatic bistrique is the critical component of this device, and hydrostatic bistrique commonly used is a plane hydrostatic bearing structure, and bistrique of the present invention is a conical surface warp-wise thrust hydrostatic bearings structure.As shown in Figure 2, it by housing (21), main shaft (23), drive lotus seat (24), belt pulley (25), force transmiting disk (26), film feedback valve (27), adjusting pad (28), etc. main parts size form.Motor drives belt pulley (25), drive main shaft (23) rotation by force transmiting disk (26).The principal character of this bistrique is to adopt hydrostatic technology, and main shaft bearing is a conical surface warp-wise thrust hydrostatic bearings structure.Shown in Fig. 3 (a, b), the inner conical surface of main shaft bearing makes to have a plurality of homalographic pits (31), forms pressure oil cavity with the main shaft tapering, and hydraulic oil enters the film feedback valve by fuel inlet fitting and enters oil pocket then.The conical surface of main shaft bearing has also been made axial oil-recovery tank (32), leaks in order to prevent the oil return forward end, and axial oil-recovery tank is made the obstructed form of front end.Gap between the main shaft bearing and the main shaft conical surface can be adjusted by adjusting pad, can obtain desirable throttling ratio by the adjusting play.Adopt this conical surface warp-wise thrust hydrostatic bearings structure to compare with common plane hydrostatic bearings structure, saved independent thrust bearing, simplified bearing arrangement, be specially adapted to the loading characteristic of plunge grinding, simultaneously, because axially the oil-recovery tank front end is obstructed, the oil return of big portion is returned fuel tank from the rear end, thereby main shaft is not had under the situation of sealing ring at front end, do not have oil leakage phenomenon.In addition,, not only can obtain desirable throttling ratio, also make it have the good distinctive feature of maintainability because of adjustable gaps.
In the package unit, except that hydrostatic bistrique, also have Hydraulic Station, electric box, button station, water tank, dresser etc., these parts all are grinding machine annexes of the prior art, can purchase from production unit.Annexes such as protective equipment such as guide rail shield plate, crossbeam protective plate, return flume can be manufactured with sheet metal according to the concrete size design of employed metal-planing machine.
Device of the present invention is applicable to the metal-planing machine of specifications such as three meters, four meters, six meters, nine meters.
The present invention does not change original metal-planing machine structure, only to after having closing precision and parameter to repair, sets up the peripheral grinding processing that above-mentioned grinding attachment just can be used for machine tool guideway, can be used for flat surface grinding yet.The linearity of its machining accuracy guide rail in vertical plane reaches in any 250 millimeters 0.002 millimeter, and surface roughness can reach Ra0.6(
3).
Obvious economic of the present invention, with metal-planing machine of this plant modification, its expense can solve the grinding problem of producing thousand machine tool guideways per year less than 10,000 yuan, and digging equipment potential, reform processing technology are had remarkable result.
The present invention is further illustrated below in conjunction with embodiment:
Fig. 1 is a periphery rail grinding device schematic layout pattern.
Fig. 2 is hydrostatic bistrique cutaway view.
Fig. 3 (a, b) is the main shaft bearing cutaway view.
Fig. 4 is the multistep molding process schematic representation.
Fig. 5 is universal wheel dresser figure.
Select a metal-planing machine, by noted earlier have closing precision and parameter to adjust selection metal-planing machine after, former knife rest folding is removed, by shown in Figure 1, bistrique base plate (14) is fixed on the planer ram (15), again bistrique (7) and motor are fixed on the bistrique base plate (14), and stamp alignment pin respectively; Electric appliance box (5), button station (11) are fixed on planer wallboard side; Hydraulic Station (5), water tank (4) are put respectively in position; Appropriate location is made the cooling fluid recovery holes in workbench front end crumb loading pond, and connects the inflow return flume with pipe, with T type plank workbench rear end T type groove is blocked, and shield plate is fixed again; Crossbeam is packaged on the rail head planker for instructing; Dresser is fixed in the work top appropriate location.After all are ready, as shown in Figure 4, according to the guide rail shape, emery wheel difference clamping is organized on emery wheel clamping plate at each, with the dresser (Fig. 5) of dress school on workbench emery wheel is accomplished A, B, C, D different shape respectively, during grinding,, can the grinding of guide pass multistep molding be formed by a bistrique by alternately changing the way of emery wheel.For reducing non-cutting time, two bistriques about also can disposing relatively.GB350 * 70 * 12746 that emery wheel selects for use Zhengzhou two sand to produce
#The K-1 combined cut liquid that GBZR porous grinding wheel, cooling fluid select for use Hunan Ningxiang petrochemical plant to produce.
Various parameters during grinding:
Slightly, correct grinding operating rate: V=35 rice/minute
The maximum depth of cut: corase grind t=0.5 millimeter
Correct grinding t=0.01 millimeter
Feed: corase grind s=3～4 millimeter
Correct grinding s=4～5 millimeter
Claims (9)
1, a kind of method and device at double housing planer upper periphery grinding guide track of machine-tool, have metal-planing machine the adjustment system of selection and the periphery rail grinding device of closing precision and parameter are arranged, its metal-planing machine has the adjustment system of selection of closing precision and parameter to comprise: the linearity Δ of movable workbench in vertical plane; Gradient during movable workbench; The speed of table; Crossbeam has closing precision; Slide plate, planker etc. slide and pay the gap, and feature of the present invention is:
A, the movable workbench linearity Δ in vertical plane is Δ=δ ((L)/(l)) by formula
2Introduce a correction factor K when adjusting selection and become Δ=δ ((L)/(l))
2The form of K, correction factor K value 1.3～1.5;
B, workbench operating rate are chosen as 30～60 meters/minute.
2, a kind of method and device at double housing planer upper periphery grinding guide track of machine-tool, have metal-planing machine the adjustment system of selection and the periphery rail grinding device of closing precision and parameter are arranged, its periphery rail grinding device is mainly by hydrostatic bistrique, Hydraulic Station, electric box, the button station, water tank, parts such as dresser are formed, described hydrostatic bistrique is mainly by housing (21), main shaft bearing (22), main shaft (23), drive lotus seat (24), belt pulley (25), force transmiting disk (26) film feedback valve (27) and adjusting pad (28) wait other to form by parts, the invention is characterized in the spindle bearing structure of hydrostatic bistrique.Be conical surface warp-wise thrust hydrostatic bearings structure, main shaft bearing (22) is a conical surface warp-wise thrust hydrostatic bearings.
3,, it is characterized in that described method and device are applicable to three meters, four meters, six meters, nine meters metal-planing machine according to the method and the device of claim 1,2 described peripheral grinding machine tool guideways.
4,, it is characterized in that forming a plurality of pressure oil cavities between the base bearing conical surface middle part and the main shaft conical surface according to the method and the device of the described peripheral grinding machine tool guideway of claim 2.
5,, it is characterized in that the axial oil-recovery tank front end on the main shaft bearing conical surface is obstructed according to the method and the device of claim 2,4 described peripheral grinding machine tool guideways.
6,, it is characterized in that the gap between the main shaft bearing conical surface and the main shaft conical surface can be adjusted by adjusting pad (28) according to the method and the device of the described peripheral grinding machine tool guideway of claim 2.
7,, it is characterized in that emery wheel is accomplished required form respectively according to the method and the device of claim 1,2 described peripheral grinding machine tool guideways.
8,, it is characterized in that the guide pass multistep molding being carried out grinding by alternately changing emery wheel according to the method and the device of claim 1,2 described peripheral grinding machine tool guideways.
9,, it is characterized in that to dispose two bistriques relatively according to the method and the device of claim 1,2 described peripheral grinding machine tool guideways.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86108903 CN1012348B (en) | 1986-12-28 | 1986-12-28 | Method and equipment for peripheral grinding guide track of machine-tool with frame planer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86108903 CN1012348B (en) | 1986-12-28 | 1986-12-28 | Method and equipment for peripheral grinding guide track of machine-tool with frame planer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN86108903A true CN86108903A (en) | 1987-08-26 |
| CN1012348B CN1012348B (en) | 1991-04-17 |
Family
ID=4804098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86108903 Expired CN1012348B (en) | 1986-12-28 | 1986-12-28 | Method and equipment for peripheral grinding guide track of machine-tool with frame planer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1012348B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100453268C (en) * | 2006-07-14 | 2009-01-21 | 杭州机床集团有限公司 | Straight line rolling guiding rail, and guideway slider multiple grinding head combined grinding machine |
| CN100464949C (en) * | 2006-06-26 | 2009-03-04 | 安阳鑫盛机床股份有限公司 | Digital controlled linear guide rail end surface and end surface edge chamfering grinder |
| CN101318280B (en) * | 2007-06-06 | 2010-05-19 | 上海重型机床厂有限公司 | Overlength bed way precision finishing process |
| CN1824458B (en) * | 2005-02-21 | 2011-01-19 | 住友重机械工业株式会社 | Objective table device and dragon gate style objective table device, controlling means of objective table device |
| CN106826495A (en) * | 2017-03-03 | 2017-06-13 | 烟台市莱威数控科技有限公司 | A kind of high accuracy line slideway special purpose grinder |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO303837B1 (en) * | 1994-08-29 | 1998-09-07 | Norske Stats Oljeselskap | Process for removing substantially naphthenic acids from a hydrocarbon oil |
| CN1055950C (en) * | 1997-11-13 | 2000-08-30 | 中国石油化工集团公司 | Disproportionation and alkyl transfering process of methylbenzene and heavy aromatic hydrocarbon |
| CN100427255C (en) * | 2005-09-01 | 2008-10-22 | 王宁 | Double support planer bed |
| CN102765035A (en) * | 2012-07-31 | 2012-11-07 | 广州市敏嘉制造技术有限公司 | Four-spindle vertical numerical control grinding center |
-
1986
- 1986-12-28 CN CN 86108903 patent/CN1012348B/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1824458B (en) * | 2005-02-21 | 2011-01-19 | 住友重机械工业株式会社 | Objective table device and dragon gate style objective table device, controlling means of objective table device |
| CN100464949C (en) * | 2006-06-26 | 2009-03-04 | 安阳鑫盛机床股份有限公司 | Digital controlled linear guide rail end surface and end surface edge chamfering grinder |
| CN100453268C (en) * | 2006-07-14 | 2009-01-21 | 杭州机床集团有限公司 | Straight line rolling guiding rail, and guideway slider multiple grinding head combined grinding machine |
| CN101318280B (en) * | 2007-06-06 | 2010-05-19 | 上海重型机床厂有限公司 | Overlength bed way precision finishing process |
| CN106826495A (en) * | 2017-03-03 | 2017-06-13 | 烟台市莱威数控科技有限公司 | A kind of high accuracy line slideway special purpose grinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1012348B (en) | 1991-04-17 |
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