CN110757273A - Clamp and method for processing non-magnetic steel impact sample by using surface grinding machine - Google Patents
Clamp and method for processing non-magnetic steel impact sample by using surface grinding machine Download PDFInfo
- Publication number
- CN110757273A CN110757273A CN201911152455.4A CN201911152455A CN110757273A CN 110757273 A CN110757273 A CN 110757273A CN 201911152455 A CN201911152455 A CN 201911152455A CN 110757273 A CN110757273 A CN 110757273A
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- China
- Prior art keywords
- sample
- clamp
- samples
- grinding machine
- magnetic steel
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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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/07—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a stationary work-table
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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
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2866—Grinding or homogeneising
Abstract
The invention discloses a clamp for processing a non-magnetic steel impact sample by a surface grinder, which is characterized in that: including clamp splice (1) and a set of screw (2) of a cuboid, set up sample recess (3) of the rectangular shape of a set of parallel on clamp splice (1), the bottom surface of sample recess (3) is parallel with the bottom surface of clamp splice (1), sets up a set of screw hole (4) just facing clamp splice (1) both sides of sample recess (3), screw hole (4) correspond the cooperation with screw (2), and screw (2) can pass screw hole (4) and stretch into in sample recess (3). The invention has the advantages of no need of modifying the existing equipment, simple structure, convenience and rapidness, convenient processing, cost saving and improvement of the efficiency of processing the high-manganese non-magnetic steel by the surface grinding machine.
Description
Technical Field
The invention relates to the technical field of material detection test equipment, in particular to a clamp and a method for processing a non-magnetic steel impact sample by a surface grinding machine.
Background
High manganese steels are rapidly gaining acceptance in various fields and being continuously improved due to their excellent wear resistance, formability, protective properties and low temperature properties, so that the research on the properties of high manganese nonmagnetic steels is particularly important, and impact specimens for the research on the properties also require very severe processing requirements.
However, the ultra-high manganese steel has an austenite structure and no magnetism, so that the efficiency and quality of sample processing are affected by the absence of magnetism in the process of sample impact processing, special processing equipment is required, and if an existing surface grinding machine is modified, the time is long and the cost is high.
Disclosure of Invention
The invention aims to solve the problems of low efficiency and high cost of processing high-manganese non-magnetic steel by the conventional surface grinding machine, and provides a clamp for processing a non-magnetic steel impact sample by the surface grinding machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a clamp for processing a non-magnetic steel impact sample by a surface grinding machine comprises a cuboid clamping block and a group of screws, wherein the clamping block is provided with a pair of parallel strip-shaped sample grooves, two sides of the clamping block, which are opposite to the sample grooves, are provided with a group of screw holes, the screw holes are correspondingly matched with the screws, and the screws can penetrate through the screw holes and extend into the sample grooves;
the width of the sample groove is 40mm, and the depth of the sample groove is 9.5mm, so as to meet the size requirement of the impact sample.
Further, the clamping block and the sample groove are integrally formed.
Further, the clamping blocks are made of magnetic materials.
Further, the width of the space between the two sample grooves was 15 mm.
In order to further achieve the aim of the invention, the invention also provides a method for processing the non-magnetic steel impact sample by using the clamp for the surface grinding machine, which is characterized by comprising the following steps:
(1) pre-cutting a sample: cutting the metal material into rectangular samples of 11 multiplied by 55mm by a sawing machine;
(2) fixing a sample: placing the cut samples in sample grooves of a clamping block, placing a plurality of groups of samples according to the total number of the samples and the length of a clamp according to the order of placing a group of samples in a row, and fixing the samples from the side by using screws after the samples are placed in order;
(3) placing a clamp: directly placing the clamp with the sample placed on a sucker of a surface grinding machine, and adjusting the position of the clamp as required;
(4) processing an impact sample: polishing and grinding the sample according to the processing rules of the surface grinding machine until the indexes of the sample such as size, roughness and the like meet the standard requirements of a Charpy impact test;
(5) taking and placing a sample: taking down the processed sample, and replacing the next batch of samples to be processed;
(6) taking and placing clamp: and after the samples are completely processed, taking down the clamp for the next use.
Compared with the prior art, the invention has the beneficial effects that:
(1) the fixture is a fixture device for processing the high-manganese non-magnetic steel impact sample by using the surface grinding machine, is simple and convenient, does not need to modify the existing equipment, and saves the cost;
(2) the fixture can fix the non-magnetic steel sample on the grinding machine sucker, the sample cannot be fixed due to the fact that the sample is not magnetic, the sample is guaranteed to be flat and neat, machining of the grinding machine is facilitated, and simplicity and convenience are achieved;
(3) the clamp can be directly placed on the sucker of the surface grinding machine, and meanwhile, a plurality of groups of impact samples can be placed, so that the working efficiency is improved.
Drawings
FIG. 1 is a top view of the fixture for a flat grinder to process a non-magnetic steel impact specimen according to the present invention;
FIG. 2 is a front view of the fixture for a flat grinder to process a non-magnetic steel impact specimen according to the present invention;
FIG. 3 is a side view of the fixture of the present invention for use in surface grinding machines for machining non-magnetic steel impact specimens.
Detailed Description
Example 1
In order to make the present invention more clear, a fixture and a method for surface grinding machine machining non-magnetic steel impact specimens according to the present invention will be further described with reference to the accompanying drawings, and the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.
Referring to fig. 1, 2 and 3, the fixture for processing the non-magnetic steel impact sample by the surface grinder comprises a cuboid clamping block 1 and a group of screws 2, wherein a pair of parallel strip-shaped sample grooves 3 are formed in the clamping block 1, a group of screw holes 4 are formed in two sides of the clamping block 1 which are opposite to the sample grooves 3, the screw holes 4 are correspondingly matched with the screws 2, and the screws 2 can penetrate through the screw holes 4 and extend into the sample grooves 3;
the width of sample groove 3 is 40mm, and the degree of depth of sample groove 3 is 9.5mm, and the interval width between two sample grooves 3 is 15mm for satisfy the dimensional requirement of impact specimen.
The clamping block 1 and the sample groove 3 are integrally formed, and the clamping block 1 is made of a magnetic material.
The embodiment also provides a method for processing a non-magnetic steel impact sample by using the clamp for the surface grinding machine, which is characterized by comprising the following steps of:
(1) pre-cutting a sample: cutting the metal material into rectangular samples of 11 multiplied by 55mm by a sawing machine;
(2) fixing a sample: placing the cut samples in a sample groove 3 of a clamping block 1, placing a plurality of groups of samples according to the total number of the samples and the length of a clamp according to the order of placing a group of samples in a row, and fixing the samples from the side by using screws 2 after placing the samples in order;
(3) placing a clamp: directly placing the clamp with the sample placed on a sucker of a surface grinding machine, and adjusting the position of the clamp as required;
(4) processing an impact sample: polishing and grinding the sample according to the processing rules of the surface grinding machine until the indexes of the sample such as size, roughness and the like meet the standard requirements of a Charpy impact test;
(5) taking and placing a sample: taking down the processed sample, and replacing the next batch of samples to be processed;
(6) taking and placing clamp: and after the samples are completely processed, taking down the clamp for the next use.
In the invention, no specific requirement is required on the length of the sample groove 3, the samples can be placed neatly and flatly, meanwhile, the bottoms of the clamping blocks 1 are flatly placed on a grinding machine sucker, the samples to be processed are conveniently and flatly placed on the grinding machine sucker, a group of impact samples are placed in a row, a plurality of groups of samples can be placed according to the length of a clamp and the test requirement, after the samples are placed, the samples are fixed by fixing screws, then the impact samples are polished according to a plane grinding machine processing method, the fixation of nonmagnetic steel can be completed, the subsequent grinding machine can conveniently process the nonmagnetic steel, the simplicity and convenience are realized, the condition that the nonmagnetic steel cannot be fixed due to the nonmagnetic property of the nonmagnetic steel is avoided, the samples are flat and neat, meanwhile, a plurality of groups of impact samples can be placed, the working efficiency is improved, all fixed parts are fixed by screws, and the assembly, by using conventional processing equipment, the existing processing equipment does not need to be modified, and the cost is saved by ten thousand yuan.
In addition to the above embodiments, the present invention may have other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides a anchor clamps that is used for flat grinder to process no magnetic steel impact specimen which characterized in that:
including clamp splice (1) and a set of screw (2) of a cuboid, set up sample recess (3) of the rectangular shape of a set of parallel on clamp splice (1), the bottom surface of sample recess (3) is parallel with the bottom surface of clamp splice (1), sets up a set of screw hole (4) just facing clamp splice (1) both sides of sample recess (3), screw hole (4) correspond the cooperation with screw (2), and screw (2) can pass screw hole (4) and stretch into in sample recess (3).
2. The jig for surface grinding machine machining of non-magnetic steel impact specimens as claimed in claim 1, characterized in that:
the width of the sample groove (3) is 40mm, and the depth of the sample groove (3) is 9.5 mm.
3. The jig for surface grinding machine processing of non-magnetic steel impact specimen according to claim 1 or 2, characterized in that:
the clamping block (1) and the sample groove (3) are integrally formed.
4. The jig for surface grinding machine processing of non-magnetic steel impact specimen according to claim 1 or 2, characterized in that:
the clamping blocks (1) are made of magnetic materials.
5. The jig for surface grinding machine processing of non-magnetic steel impact specimen according to claim 1 or 2, characterized in that:
the spacing width between the two sample grooves (3) is 15 mm.
6. A method of machining a non-magnetic steel impact specimen for a surface grinder using the fixture of claim 1, comprising the steps of:
the method comprises the following steps: pre-cutting a sample: cutting the metal material into rectangular samples of 11 multiplied by 55mm by a sawing machine;
step two: fixing a sample: placing the cut samples in sample grooves of a clamping block, placing a plurality of groups of samples according to the total number of the samples and the length of a clamp according to the order of placing a group of samples in a row, and fixing the samples from the side by using screws after the samples are placed in order;
step three: placing a clamp: directly placing the clamp with the sample placed on a sucker of a surface grinding machine, and adjusting the position of the clamp as required;
step four: processing an impact sample: polishing and grinding the sample according to the processing rules of the surface grinding machine until the indexes of the sample such as size, roughness and the like meet the standard requirements of a Charpy impact test;
step five: taking and placing a sample: taking down the processed sample, and replacing the next batch of samples to be processed;
step six: taking and placing clamp: and after the samples are completely processed, taking down the clamp for the next use.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911152455.4A CN110757273A (en) | 2019-11-22 | 2019-11-22 | Clamp and method for processing non-magnetic steel impact sample by using surface grinding machine |
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CN201911152455.4A CN110757273A (en) | 2019-11-22 | 2019-11-22 | Clamp and method for processing non-magnetic steel impact sample by using surface grinding machine |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111633487A (en) * | 2020-05-15 | 2020-09-08 | 南京钢铁股份有限公司 | Method for expanding rectangular sample clamp of automatic sample grinding machine in laboratory |
CN114589550A (en) * | 2022-03-01 | 2022-06-07 | 中航金属材料理化检测科技有限公司 | Machining method of U-shaped notch of sample for Charpy impact test |
-
2019
- 2019-11-22 CN CN201911152455.4A patent/CN110757273A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111633487A (en) * | 2020-05-15 | 2020-09-08 | 南京钢铁股份有限公司 | Method for expanding rectangular sample clamp of automatic sample grinding machine in laboratory |
CN114589550A (en) * | 2022-03-01 | 2022-06-07 | 中航金属材料理化检测科技有限公司 | Machining method of U-shaped notch of sample for Charpy impact test |
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