CN108500836B - Guide rail grinding machine foundation member adopting mineral castings and preparation method - Google Patents
Guide rail grinding machine foundation member adopting mineral castings and preparation method Download PDFInfo
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- CN108500836B CN108500836B CN201810565409.6A CN201810565409A CN108500836B CN 108500836 B CN108500836 B CN 108500836B CN 201810565409 A CN201810565409 A CN 201810565409A CN 108500836 B CN108500836 B CN 108500836B
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- upright posts
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- guide rail
- bottom plate
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- 238000005266 casting Methods 0.000 title claims abstract description 40
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 34
- 239000011707 mineral Substances 0.000 title claims abstract description 34
- 238000000227 grinding Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 230000003746 surface roughness Effects 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000007547 defect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 239000010438 granite Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000011265 semifinished product Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims 1
- 239000011230 binding agent Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 229910001060 Gray iron Inorganic materials 0.000 description 8
- 238000003754 machining Methods 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 3
- IUTFNFCXPHXLOI-UHFFFAOYSA-N [Fe].O=C=O Chemical compound [Fe].O=C=O IUTFNFCXPHXLOI-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002173 cutting fluid Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/12—Waste materials; Refuse from quarries, mining or the like
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a guide rail grinding machine foundation member adopting a mineral casting, which comprises a machine body, upright posts and a cross beam, wherein the upright posts are arranged on two sides of the machine body in parallel, the cross beam is arranged at the top ends of the two upright posts, the machine body, the upright posts and the cross beam form a door-shaped structure, the machine body, the upright posts and the cross beam are all solid structures, and the machine body, the upright posts and the cross beam are all made of the mineral casting. Meanwhile, the invention also discloses a preparation die and a preparation method of the foundation member of the guide rail grinding machine. The surface precision of the basic component of the guide rail grinding machine obtained by the preparation method can reach 0.1-0.3 mm/m, the surface roughness can reach Ra3.2-Ra6.3, the general assembly connection and appearance requirements can be met, and post-finishing and surface coating treatment are not needed, so that the processing cost is greatly reduced, and the production period is shortened. And the threaded hole for mechanical connection with the concave surface of the casting is obtained in the form of an insert and a gasket, so that the precision of the product is improved.
Description
Technical Field
The invention belongs to the field of machine manufacturing, and particularly relates to a guide rail grinding machine base member adopting a mineral casting and a preparation method thereof.
Background
In order to obtain a guide surface with high precision and high surface roughness in the machine tool manufacturing process, the currently mainly adopted processing method is grinding, and the adopted processing equipment is a guide rail grinding machine. Therefore, the accuracy and stability of the rail grinder determine the accuracy of the workpiece and thus the accuracy of the machine tool being manufactured. The machine tool body is a main supporting stress part of the machine tool, and the precision and the stability of the machine tool body determine the machining precision of the machine tool, so the rigidity and the precision of the machine tool body of the guide rail grinder determine the machining precision of the whole machine.
As shown in fig. 1, the present high-precision rail grinder mainly has a gantry type structure, the basic components mainly comprise a lathe bed (01), a stand column (02) and a cross beam (03), the stand column is arranged at two sides of the lathe bed, the cross beam is arranged at the top end of the stand column to form a gantry type integral structure, and the three parts are structures of a cast frame stiffening plate, so that the structure has the following defects:
1. because the precision of the casting surface is poor, all mechanical connection parts need finish machining, including mounting holes, mounting surfaces, positioning surfaces and the like, the problems of high machining cost, long machining period and the like are caused;
2. because the casting surface has poor precision, other surfaces except the processing surface need coating treatment in order to obtain attractive surface quality and antirust effect, thereby causing environmental pollution on the production site and increasing the manufacturing cost.
Currently, gray cast iron HT250-HT300 is adopted as the material of the foundation components (the lathe bed, the upright posts and the cross beams). The material has the following defects in the current material basic research and application process:
1. the damping coefficient is lower, the foundation member adopting gray cast iron is usually in a frame type structure, and the vibration absorption performance of the whole machine is easy to be poor, so that the dynamic performance of the whole machine is poor;
2. the heat conduction coefficient is high, the heat expansion coefficient is high, and a base member made of gray cast iron is sensitive to the environmental temperature, so that the precision of the whole machine is greatly influenced by the environmental temperature;
3. is easy to rust, the base member is in long-term contact with cutting fluid to generate rust, thereby shortening the service life of the whole machine,
the energy consumption in the production process is high, and the environmental pollution and the high production cost in the production link are further caused.
Disclosure of Invention
The invention aims to: the invention aims to overcome the defects of the prior art and provide a foundation component of a guide rail grinding machine adopting mineral castings.
Another object of the present invention is to provide a preparation mold for the above-mentioned base member of the rail grinder.
A third object of the present invention is to provide a method for producing the above-mentioned base member of the rail grinder.
The technical scheme is as follows: in order to achieve the above object, the present invention is specifically accomplished in the following manner: the utility model provides an adopt guide rail grinding machine foundation component of mineral foundry goods, includes lathe bed, stand and crossbeam, the both sides of lathe bed are located in parallel to the stand, and the top of two stands is located to the crossbeam, and lathe bed, stand and crossbeam constitute a font structure, lathe bed, stand and crossbeam are solid structure, and lathe bed, stand and crossbeam are the mineral foundry goods material.
Wherein, the lathe bed bottom is equipped with a plurality of indent structures, and indent structure is in same straight line.
The preparation mould of the foundation component of the guide rail grinding machine adopting the mineral casting comprises a bottom plate and a plurality of side templates connected with the bottom plate, wherein the side templates are connected with an insert with a groove inside through bolts wrapped by PVC pipes, and the top of the insert is provided with a through hole for accommodating a plug; the inner surface of the side template is connected with the insert through a first bolt, and a gasket is arranged between the insert and the side template.
Wherein the gasket is made of nylon, polyethylene or polytetrafluoroethylene.
The PVC pipe-wrapped bolt passes through the first positioning core and the second positioning core simultaneously to fix the side template and the insert, one end, close to the bolt wrapped by the PVC pipe, of the first positioning core is provided with a circle of protrusion propping against the side template, one end, close to the bolt wrapped by the PVC pipe, of the second positioning core is provided with a convex edge, and the convex edge is fixed with the insert through the second bolt.
The bottom plate is provided with a step for positioning the side template.
A method of making a rail grinder base member employing a mineral casting comprising the steps of:
(1) Mounting the inlay to the sideform: fixing the inserts on the inner surface of the side templates through first bolts, and clamping washers between the inserts and the side templates so as to achieve the purpose of inwards concave inserts on the surface of the product after demolding;
(2) Assembling a die: the die adopts a steel die structure formed by welding a bottom plate and a plurality of side templates perpendicular to the bottom plate, the side templates are connected with inserts through bolts wrapped by PVC pipes, and the bottom plate is provided with steps for positioning the side templates; the inner surfaces of the bottom plate and the side templates are contacted with mineral casting materials, the surface roughness is not more than Ra1.6, and the surface precision of the products after demolding is ensured to be 0.1-0.3 mm/m;
(3) Casting: placing the mineral casting in the die assembled in the step 2, performing high-frequency vibration, selecting the vibration frequency to be 3000-6000 times/min, and the vibration acceleration to be 7-10G so as to eliminate bubbles generated in the stirring process, further eliminate internal defects of the product and improve the compactness of the material;
(4) And (3) heat treatment: and (3) placing the semi-finished product obtained in the step (3) and the mould into a heating furnace for heat treatment, keeping the temperature of the furnace at 55-65 ℃, preserving the heat for 10-20 hours, solidifying the mineral castings, and taking out the products after the temperature is reduced to room temperature.
Wherein, in the step (3), the mineral casting comprises granite particles and epoxy resin.
The beneficial effects are that: compared with the prior art, the invention has the following advantages:
(1) The surface precision of the basic component of the guide rail grinding machine obtained by the preparation method can reach 0.1-0.3 mm/m, the surface roughness can reach Ra3.2-Ra6.3, the general assembly connection and appearance requirements can be met, and post-finishing and surface coating treatment are not needed, so that the processing cost is greatly reduced, and the production period is shortened. The threaded hole for mechanical connection of the concave surface of the casting is obtained in the mode of an insert and a gasket, the concave structure can ensure that a high-precision part (such as a linear guide rail) is not contacted with the end face of the insert, and the insert generates larger deformation relative to the mineral casting after the temperature change due to the fact that the thermal expansion coefficient of the insert is larger than that of the mineral casting, so that the concave structure of the surface of the casting can ensure that the insert is not contacted with the high-precision part, the influence of the insert on the high-precision part after deformation caused by the temperature change is avoided, and the precision of a product is improved.
(2) The invention adopts granite and epoxy resin cementing material as main raw materials, has the advantage of corrosion resistance, so that the non-processing surface of the basic component of the guide rail grinding machine does not need coating treatment, environmental pollution is avoided, manufacturing cost is reduced, and meanwhile, the influence of the corrosion of the basic component on the service life of the whole machine product is eliminated;
(3) The density of the basic component of the guide rail grinding machine provided by the invention is 1/3 (about 2.6-2.7 g/cm) of that of gray cast iron, the guide rail grinding machine has higher mass-rigidity ratio after adopting a solid structure, the natural frequency of the guide rail grinding machine is 17% higher than that of gray cast iron, and meanwhile, the damping coefficient of the guide rail grinding machine is 10 times that of gray cast iron, so that the guide rail grinding machine has more excellent dynamic characteristics;
(4) The raw material adopted by the preparation method disclosed by the invention can be waste granite, no pollution and waste emission are caused in the manufacturing process, and compared with gray cast iron carbon dioxide emission amount, the gray cast iron carbon dioxide emission amount is reduced by more than 90%.
Drawings
FIG. 1 is a schematic view of a conventional rail grinder base member;
FIG. 2 is a schematic view of the basic components of the rail grinder of the present invention using mineral castings;
FIG. 3 is a schematic diagram of a manufacturing mold of a base member of a rail grinder of the present invention employing mineral castings;
FIG. 4 is a schematic diagram of the assembly of a preparation mold for a base member of a rail grinder of the present invention using mineral castings.
Detailed Description
Examples
The guide rail grinding machine foundation member adopting mineral castings as shown in fig. 2 comprises a machine body 1, upright posts 2 and cross beams 3, wherein the upright posts 2 are arranged on two sides of the machine body 1 in parallel, the cross beams 3 are arranged on the top ends of the two upright posts 2, the machine body 1, the upright posts 2 and the cross beams 3 form a gate-shaped structure, the machine body 1, the upright posts 2 and the cross beams 3 are all solid structures, and the machine body 1, the upright posts 2 and the cross beams) are all made of mineral castings.
Examples
The preparation die for the foundation member of the guide rail grinding machine adopting the mineral castings, which is shown in fig. 3-4, comprises a bottom plate 4 and a plurality of side templates 5 perpendicular to the bottom plate, wherein the side templates 5 are connected with an insert 7 with a groove inside through bolts 6 wrapped by PVC pipes, and the top of the insert 7 is provided with a through hole for accommodating a plug 8; the inner surface of the side template 5 is connected with an insert 10 through a first bolt 9, a gasket 11 is arranged between the insert 10 and the side template 5, the height of the joint of the first bolt and the side template is larger than that of the joint of the PVC pipe and the side template, and the bottom plate is provided with a step for positioning the side template.
Examples
With reference to embodiment 2, the gasket is made of nylon, polyethylene or polytetrafluoroethylene.
Examples
Referring to embodiment 2, a preferred connection mode of the PVC pipe wrapped bolt and the side form, the side form 5 is provided with a first through hole passing through a first positioning core 12, a second through hole passing through a second positioning core 13 is provided on the side wall of the proximal side form of the insert 7, the PVC pipe wrapped bolt 6 passes through the first positioning core 12 and the second positioning core 13 simultaneously to fix the side form 5 and the insert 7, one end of the first positioning core 12 close to the PVC pipe wrapped bolt 6 is provided with a circle of protrusions against the side form 5, one end of the second positioning core 13 close to the PVC pipe wrapped bolt 6 is provided with a convex edge, and the convex edge and the insert 7 are fixed through a second bolt 14.
Examples
The preparation method of the guide rail grinding machine base component adopting the mineral casting comprises the following steps:
(1) Mounting the inlay to the sideform: fixing the inserts on the inner surface of the side templates through first bolts, and clamping washers between the inserts and the side templates so as to achieve the purpose of inwards concave inserts on the surface of the product after demolding;
(2) Assembling a die: the die adopts a steel die structure formed by welding a bottom plate and a plurality of side templates perpendicular to the bottom plate, the side templates are connected with inserts through bolts wrapped by PVC pipes, and the bottom plate is provided with steps for positioning the side templates; the inner surfaces of the bottom plate and the side templates are contacted with mineral casting materials, the surface roughness is not more than Ra1.6, and the surface precision of the products after demolding is ensured to be 0.1-0.3 mm/m;
(3) Casting: placing the mineral casting in the die assembled in the step 2, performing high-frequency vibration, selecting the vibration frequency to be 3000-6000 times/min, and the vibration acceleration to be 7-10G so as to eliminate bubbles generated in the stirring process, further eliminate internal defects of the product and improve the compactness of the material;
(4) And (3) heat treatment: and (3) placing the semi-finished product obtained in the step (3) and the mould into a heating furnace for heat treatment, keeping the temperature of the furnace at 55-65 ℃, preserving the heat for 10-20 hours, solidifying the mineral castings, and taking out the products after the temperature is reduced to room temperature.
Claims (5)
1. The preparation method of the foundation member of the guide rail grinding machine adopting the mineral casting is characterized by comprising the following steps of:
(1) Mounting the inlay to the sideform: fixing the inserts on the inner surface of the side templates through first bolts, and clamping washers between the inserts and the side templates so as to achieve the purpose of inwards concave inserts on the surface of the product after demolding;
(2) Assembling a die: the die adopts a bottom plate and a plurality of side templates connected with the bottom plate to be welded into a steel die structure, the side templates are connected with inserts through bolts wrapped by PVC pipes, and steps for positioning the side templates are arranged on the bottom plate; the inner surfaces of the bottom plate and the side templates are contacted with the mineral casting, the surface roughness is not more than Ra1.6, and the surface precision of the products after demolding is ensured to be 0.1-0.3 mm/m;
(3) Casting: placing the mineral casting into the die assembled in the step 2, vibrating, selecting the vibration frequency to be 3000-6000 times/min and the vibration acceleration to be 7-10G, so as to eliminate bubbles generated in the stirring process, further eliminate the internal defects of the product and improve the compactness of the material;
(4) And (3) heat treatment: placing the semi-finished product obtained in the step 3 and a die into a heating furnace for heat treatment, keeping the temperature of the furnace to 55-65 ℃, preserving heat for 10-20 hours, solidifying the mineral castings, and taking out the products after the temperature is reduced to room temperature;
the die comprises a bottom plate (4) and a plurality of side templates (5) connected with the bottom plate, wherein the side templates (5) are connected with an insert (7) with a groove inside through bolts (6) wrapped by PVC pipes, and a through hole for accommodating a plug (8) is formed in the top of the insert (7); the inner surface of the side template (5) is connected with an insert (10) through a first bolt (9), and a gasket (11) is arranged between the insert (10) and the side template (5); the side form (5) is provided with a through hole passing through a positioning core (12), the side wall of the near side form of the insert (7) is provided with a through hole passing through a positioning core (13), the PVC pipe wrapped bolt (6) passes through the positioning core (12) and the positioning core (13) simultaneously to fix the side form (5) and the insert (7), one end, close to the PVC pipe wrapped bolt (6), of the positioning core (12) is provided with a circle of protrusion propping against the side form (5), one end, close to the PVC pipe wrapped bolt (6), of the positioning core (13) is provided with a convex edge, and the convex edge and the insert (7) are fixed through the bolt (14).
2. The method of claim 1, wherein the mineral casting in step (3) comprises granite grains and epoxy.
3. The method of claim 1, wherein the gasket is nylon, polyethylene or polytetrafluoroethylene.
4. The method of manufacturing a base member for a rail grinder using a mineral casting according to claim 1, wherein the bottom plate is provided with a step for positioning the side form.
5. The component prepared by the preparation method of the guide rail grinding machine base component adopting the mineral castings according to claim 1 is characterized by comprising a machine body (1), upright posts (2) and cross beams (3), wherein the upright posts (2) are arranged on two sides of the machine body (1) in parallel, the cross beams (3) are arranged on the top ends of the two upright posts (2), the machine body (1), the upright posts (2) and the cross beams (3) form a portal-shaped structure, the machine body (1), the upright posts (2) and the cross beams (3) are all solid structures, and the machine body (1), the upright posts (2) and the cross beams (3) are all made of mineral castings and consist of granite and epoxy resin binders; the bottom of the lathe bed is provided with a plurality of concave structures (101), and the concave structures are positioned on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810565409.6A CN108500836B (en) | 2018-06-04 | 2018-06-04 | Guide rail grinding machine foundation member adopting mineral castings and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810565409.6A CN108500836B (en) | 2018-06-04 | 2018-06-04 | Guide rail grinding machine foundation member adopting mineral castings and preparation method |
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| Publication Number | Publication Date |
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| CN108500836A CN108500836A (en) | 2018-09-07 |
| CN108500836B true CN108500836B (en) | 2024-04-12 |
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Families Citing this family (2)
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| CN113231835B (en) * | 2021-06-04 | 2022-06-21 | 苏州天准科技股份有限公司 | Composite cross beam and manufacturing method thereof |
| CN115722936A (en) * | 2022-11-29 | 2023-03-03 | 科德数控股份有限公司 | Vertical machining center |
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