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Machine tool capable of machining large-sized workpieces and use method of machine tool

A technology for large workpieces and lathes, applied in the field of lathes, can solve the problems of guide rail deformation machining accuracy, difficulty in machining special equipment parts, rough machining, etc., and achieve the effect of increasing economic benefits, reducing the difficulty of processing super-large, and reducing economic costs.

Pending Publication Date: 2020-09-11
SHANDONG YISHUI MACHINE TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current lathes are only suitable for the processing of small workpieces, but when processing large workpieces of 15-100 meters, there is no corresponding processing equipment, resulting in the deformation of the guide rail due to the large gravity of the large workpiece when processing large parts. Unable to meet the customer's precision requirements for large parts, only rough machining can be carried out, which makes it difficult to process some special equipment parts

Method used

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  • Machine tool capable of machining large-sized workpieces and use method of machine tool
  • Machine tool capable of machining large-sized workpieces and use method of machine tool
  • Machine tool capable of machining large-sized workpieces and use method of machine tool

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Experimental program
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Effect test

preparation example Construction

[0036] The preparation method of aforementioned cemented carbide, comprises the steps:

[0037] S1: Take all raw materials according to the specified mass parts, mix them evenly, add ball milling medium and place them in a ball mill for ball milling, the liquid-solid ratio is 600-650mL / kg, the ball-to-material ratio is 7.5-9:1, and the speed of the ball mill is controlled at 200 -260r / min, ball milling time is 40-60h, wet mixture A is obtained;

[0038] S2: Put the wet mixture A obtained in step S1 into a desiccator and dry it for 30-60 minutes, recover the ball milling medium, then circulate and cool with frozen water, sieve to obtain the mixture B, and then put the above mixture B in a sealed state Carry out wax mixing, granulation, and prepare mixture C under the following conditions;

[0039] S3: isostatically press the mixture C obtained in step S2, and control the pressure at 180-300MPa to make a compact;

[0040] S4: The compact obtained in step S3 is sintered by a lo...

Embodiment 1

[0051] A cemented carbide used to make the lathe of the invention mainly consists of the following raw materials in parts by weight: 85 parts of tungsten carbide, 0.8 part of cobalt, 0.05 part of ruthenium powder, 0.7 part of samarium powder, 0.2 part of carbonyl nickel powder, vanadium carbide 0.4 parts, tantalum carbide 6 parts, niobium carbide 1.1 parts and titanium carbide 1.5 parts. The particle size of the tungsten carbide is 0.25 μm, the particle size of the cobalt is 0.6 μm, the particle size of the ruthenium powder is 0.6 μm, the particle size of the samarium powder is 0.5 μm, and the particle size of the nickel carbonyl powder is The particle size of the vanadium carbide is 0.5 μm, the particle size of the tantalum carbide is 1.2 μm, the particle size of the niobium carbide is 1.2 μm, and the particle size of the titanium carbide is 1.8 μm.

[0052] A kind of preparation method of cemented carbide for lathe, comprises the steps:

[0053] S1: Take all the raw materia...

Embodiment 2

[0065] A hard alloy for a lathe, mainly composed of the following raw materials in parts by weight: 80 parts of tungsten carbide, 0.1 part of cobalt, 0.01 part of ruthenium powder, 0.5 part of samarium powder, 0.1 part of nickel carbonyl powder, 0.1 part of vanadium carbide, tantalum carbide 5 parts, niobium carbide 0.8 part and titanium carbide 1 part. The particle size of the tungsten carbide is 0.2 μm, the particle size of the cobalt is 0.4 μm, the particle size of the ruthenium powder is 0.5 μm, the particle size of the samarium powder is 0.2 μm, and the particle size of the nickel carbonyl powder is The particle size of the vanadium carbide is 0.2 μm, the particle size of the tantalum carbide is 1 μm, the particle size of the niobium carbide is 1 μm, and the particle size of the titanium carbide is 1 μm.

[0066] A kind of preparation method of cemented carbide for lathe, comprises the steps:

[0067] S1: Take all the raw materials according to the specified mass parts, ...

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Abstract

The invention discloses a machine tool capable of machining large-sized workpieces and a use method of the machine tool. The machine tool comprises a base and a control box. A motor is mounted on oneside of the base, and a first belt wheel is mounted on a rotor of the motor. The first belt wheel is in transmission connection with a second belt wheel at one end of a transmission shaft through a triangular belt, and a tightening disc is mounted at the other end of the transmission shaft. A stepping motor is mounted at the other end of the base, and a workpiece supporting device is mounted between the stepping motor and the tightening disc. A cutting and feeding device is mounted on the front side of the base. According to the machine tool capable of machining the large-sized workpieces andthe use method of the machine tool, the machine tool can complete some workpieces with special requirements, especially some workpieces incapable of being completely on common machine tools, the difficulty that the huge workpieces cannot be machined can be overcome by the machine tool, and the difficulty in special equipment requirements is solved.

Description

technical field [0001] The invention relates to the technical field of lathes, in particular to a lathe capable of processing large workpieces and a use method thereof. Background technique [0002] The current lathes are only suitable for the processing of small workpieces, but when processing large workpieces of 15-100 meters, there is no corresponding processing equipment, resulting in the deformation of the guide rail due to the large gravity of the large workpiece when processing large parts. Unable to meet the customer's precision requirements for large parts, only rough machining can be carried out, which makes it difficult to process some special equipment parts. [0003] Therefore, it is necessary to provide a lathe that can process large workpieces and has good machining accuracy. Contents of the invention [0004] The object of the present invention is to provide a lathe capable of processing large workpieces and its use method, in order to solve the problems r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B5/00B23B25/00B23Q5/28
CPCB23B5/00B23B25/00B23Q5/28
Inventor 张好平张振伟许俊东孙伟邹庆锋张军锋黄为龙杨素平高贵鹏刘丰男李慧龙张洪通张洪义黄群
Owner SHANDONG YISHUI MACHINE TOOL
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