CN103612075A - Method for finish machining inner hole of cylinder tube in boring, honing and rolling modes - Google Patents

Method for finish machining inner hole of cylinder tube in boring, honing and rolling modes Download PDF

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Publication number
CN103612075A
CN103612075A CN 201310631268 CN201310631268A CN103612075A CN 103612075 A CN103612075 A CN 103612075A CN 201310631268 CN201310631268 CN 201310631268 CN 201310631268 A CN201310631268 A CN 201310631268A CN 103612075 A CN103612075 A CN 103612075A
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Prior art keywords
boring
honing
cylinder tube
bore
machine
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CN 201310631268
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Chinese (zh)
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朱永明
孙忠芳
李建忠
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中煤北京煤矿机械有限责任公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23POTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P13/00Making metal objects by operations essentially involving machining but not covered by a single other subclass
    • B23P13/02Making metal objects by operations essentially involving machining but not covered by a single other subclass in which only the machining operations are important

Abstract

The invention discloses a method for finish machining an inner hole of a cylinder tube in boring, honing and rolling mode. First, the inner hole of the cylinder tube is roughly bored with a deep hole boring machine; then, the inner hole of the cylinder tube is roughly honed with a deep hole honing machine; next, the inner hole of the cylinder tube is rolled with the deep hole boring machine with a boring cutter replaced by a rolling head. Under the condition that existing machine tool equipment is utilized, the surface quality of the inner hole of the cylinder tube is improved, and machining cost is reduced.

Description

缸管内孔采取镗珩滚的精加工方法 Taking the cylinder bore tube roll finishing process boring Heng

技术领域 FIELD

[0001] 本发明涉及一种煤矿用液压支架的立柱或千斤顶的缸管的深孔精加工工艺,尤其涉及一种缸管内孔采取镗珩滚的精加工方法。 [0001] The present invention relates to a finishing process with a deep hydraulic support pillar jack of the cylinder tube or a mine, in particular, relates to one kind of the bore of the cylinder tube taken Heng boring roll finishing process.

背景技术 Background technique

[0002]目前,煤矿用液压支架的立柱或千斤顶的缸管的深孔精加工工艺一般采用精镗+滚压复合加工的工艺或者刮削+滚压的复合工艺。 [0002] Currently, deep mine finishing process using the column or the cylinder tube hydraulic support jacks generally use complex fine boring + rolling or scraping processing technology + rolled composite technology.

[0003] 以上二种方案中,第一种的内孔表面质量从微观上分析,如果在精镗时的进给量过大,会造成波峰被压倒,使用半年至一年的时间后出现起皮的现象;第二种工艺方案,内孔表面质量没有问题,缺点是刮削滚光专用机床造价昂贵,约合人民币1000余万元。 [0003] or two or more kinds of programs, a first inner bore surface of the mass from the microscopic analysis, if the feed is too large when the fine boring, cause peaks to be overwhelmed, since the use occurs after six months to a year skin phenomenon; the second process program, the bore surface quality is no problem, the disadvantage is scraping tumbling machine tools for expensive, about RMB more than 10 million yuan.

发明内容 SUMMARY

[0004] 本发明的目的是提供一种成本低、加工精度高的缸管内孔采取镗珩滚的精加工方法。 [0004] The object of the present invention is to provide a low-cost, high-precision machining of the cylinder tube bore boring Heng taken roll finishing process.

[0005] 本发明的目的是通过以下技术方案实现的: [0005] The object of the present invention is achieved by the following technical solution:

[0006] 本发明的缸管内孔采取镗珩滚的精加工方法,包括步骤: [0006] The bore of the cylinder tube of the present invention take the boring Heng roll finishing process, comprising the steps of:

[0007] 首先,使用深孔镗床对缸管内孔进行粗镗; [0007] First, a deep hole boring machine of the cylinder bore tube rough boring;

[0008] 然后,使用深孔珩磨机对缸管内孔进行粗珩; [0008] Then, using the deep bore honing machine coarse honing the cylinder tube;

[0009] 之后,再用所述深孔镗床,将镗刀去掉换成滚压头,对所述缸管内孔进行滚压。 After [0009], then the deep hole boring machine, the boring tool is removed into the rolling head, said internal bore of the cylinder tube is rolled.

[0010] 由上述本发明提供的技术方案可以看出,本发明实施例提供的缸管内孔采取镗珩滚的精加工方法,由于首先使用深孔镗床对缸管内孔进行粗镗;然后使用深孔珩磨机对缸管内孔进行粗珩;之后再用所述深孔镗床,将镗刀去掉换成滚压头,对所述缸管内孔进行滚压。 [0010] provided by the technical solution of the present invention can be seen, the bore provided in the cylinder tube taken honing finishing rolling method of boring embodiment of the present invention, since the first deep-hole boring of the inner bore of the cylinder tube for rough boring; then using a deep the honing machine of the bore hole of the cylinder tube coarse honing; then, after the deep hole boring machine, the boring tool is removed into the rolling head, said internal bore of the cylinder tube is rolled. 在利用现有机床设备的条件下,提高了缸管内孔的表面质量,降低了加工成本。 Under conditions existing machine tools to improve the quality of the bore surface of the cylinder tube, reducing processing costs.

具体实施方式 detailed description

[0011] 下面将对本发明实施例作进一步地详细描述。 [0011] The following embodiments will be described in further detail according to the present invention.

[0012] 本发明的缸管内孔采取镗珩滚的精加工方法,其较佳的具体实施方式是: [0012] the inner bore of the cylinder tube of the present invention take the honing finishing roll boring method, specific embodiments thereof are preferred:

[0013] 包括步骤: [0013] comprising the steps of:

[0014] 首先,使用深孔镗床对缸管内孔进行粗镗; [0014] First, a deep hole boring machine of the cylinder bore tube rough boring;

[0015] 然后,使用深孔珩磨机对缸管内孔进行粗珩; [0015] Then, using the deep bore honing machine coarse honing the cylinder tube;

[0016] 之后,再用所述深孔镗床,将镗刀去掉换成滚压头,对所述缸管内孔进行滚压。 After [0016], then the deep hole boring machine, the boring tool is removed into the rolling head, said internal bore of the cylinder tube is rolled.

[0017] 针对图纸要求尺寸0400H9(+0.14,0)的缸管内孔,所述粗镗的加工尺寸为0 400(-0.05,-0.10)、粗糙度为Ra3.2 ; [0017] For sizes drawings 0400H9 (+0.14,0) of the cylinder bore tube, the rough boring machining dimension 0400 (-0.05, -0.10), roughness Ra3.2;

[0018] 所述粗珩的加工尺寸为0 400(+0.12,0)、粗糙度为Ra3.2 ; [0018] The size of rough honing processing 0400 (+0.12,0), roughness Ra3.2;

[0019] 所述滚压的进给量为1.25mm/r、直径上的滚压量为0.08-0.10mm、粗糙度为Ra0.1-0.2 o[0020] 所述深孔镗床的型号为TK2240,所述深孔珩磨机的型号为HTC-4300W。 [0019] The feed of the rolled 1.25mm / r, on the amount of roll diameter 0.08-0.10mm, roughness Ra0.1-0.2 o [0020] The deep hole boring machine model TK2240 the deep hole honing machine model HTC-4300W.

[0021] 本发明在利用现有机床设备的条件下,提高了缸管内孔的表面质量,内孔的精加工采取了粗镗+粗珩+滚压的新工艺,这种工艺的特点是:通过珩磨,消除了镗削后留下的较大的波峰波谷现象,最后再通过滚压,使表面粗糙度得到明显的提高,尺寸精度和表面粗糙度分别达到IT9和Ra0.1-0.2,并且在表面形成压应力,它的效果可与刮削滚光相媲美,它避免了镗滚复合加工存在的弊端,它使缸管的使用寿命有望得到明显的提升。 [0021] In the present invention under the conditions existing machine tools to improve the quality of the inner surface of the cylinder tube bore, the bore finishing rough boring taken rough honing + + new rolling process, this process is characterized by: honing, eliminating the large peaks and valleys that remains after boring phenomenon, and finally by rolling, the surface roughness significantly improved dimensional accuracy and surface roughness, respectively, and IT9 Ra0.1-0.2, and a surface compressive stress, and its effect can be comparable to the light scraping roller, which avoids the drawbacks of the boring composite working roll, so that the service life of the cylinder tube is expected to be significantly improved.

[0022] 镗床加上珩磨机的造价成本约合人民币360万元,只有刮削滚光专用机床的1/3左右。 [0022] boring plus honing machine construction cost of about 3.6 million yuan, only scraping tumbling about 1/3 of a dedicated machine.

具体实施例: Specific Example:

[0023] Y204的大缸管内孔图纸要求尺寸0400H9(+0.14,0),粗糙度Ra0.4,使用本发明的技术方案,首先使用深孔镗床TK2240粗镗将内孔加工成(6400(-0.05, -0.10)、粗糙度Ra3.2,再使用深孔珩磨机HTC-4300W珩磨内孔至0400(+0.12,0)、Ra3.2,由于是粗珩,粗糙度只要求Ra3.2,所以效率比较高,然后再回到深孔镗TK2240,将镗刀去掉,单纯滚压,滚压的转速约为125r/min,进给速度:200mm/min (进给量:1.25mm/r),滚压量0 0.08-0.1Omm.如果零件长度为1620,那么加工时间约为10分30秒。滚压后的表面粗糙度可达Ra0.1-0.2,尺寸精度仍控制在0 400H9范围内。 Vat tube bore Drawings [0023] Y204 required size 0400H9 (+0.14,0), roughness Ra0.4, using the techniques of the present invention, the first deep-hole boring machine TK2240 rough boring into the inner hole machining (6400 (- 0.05, -0.10), roughness Ra3.2, and then provided with HTC-4300W deep hole honing honing machine to 0400 (+0.12,0), Ra3.2, since coarse honing, requires only roughness Ra3.2, Therefore, more efficient, and then back to the deep boring TK2240, the boring tool is removed, pure rolling, the rolling speed is about 125r / min, feed speed: 200mm / min (feed: 1.25mm / r) , the amount of rolling 0 0.08-0.1Omm. If the length of the part 1620, then the processing time is about 10 minutes and 30 seconds after the rolling surface roughness up Ra0.1-0.2, still control the dimensional accuracy in the range of 0 400H9 .

[0024] 本发明技术方案带来的有益效果:在现有设备条件下实现了缸管内孔高质量的加工,节省设备费用740万元。 [0024] aspect of the present invention, beneficial effects: the cylinder tube bore to achieve a high-quality processing equipment at conventional conditions, savings in equipment cost 7,400,000 yuan.

[0025] 本发明的技术关键点是通过使用深孔镗和深孔珩磨机这样的普通专用设备实现了深孔的高质量精加工,欲保护点是镗珩滚这种新工艺方案。 [0025] Technical key points of the present invention is by using a deep boring and honing machine such deep common specialized equipment to achieve the deep, high-quality finishing point is to be protected boring roller honing this new process scheme.

[0026] 以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明披露的技术范围内,可轻易想到的变化或替换,都应涵盖在本发明的保护范围之内。 [0026] The above are only the preferred specific embodiments of the invention, but the scope of the present invention is not limited thereto, any skilled in the art in the art within the technical scope disclosed in the present invention can be easily thought variations or replacements shall fall within the protection scope of the present invention. 因此,本发明的保护范围应该以权利要求书的保护范围为准。 Accordingly, the scope of the present invention, the scope of the claims should prevail.

Claims (3)

  1. 1.一种缸管内孔采取镗珩滚的精加工方法,其特征在于,包括步骤: 首先,使用深孔镗床对缸管内孔进行粗镗; 然后,使用深孔珩磨机对缸管内孔进行粗珩; 之后,再用所述深孔镗床,将镗刀去掉换成滚压头,对所述缸管内孔进行滚压。 An inner bore of the cylinder tube taken Heng boring roll finishing process, characterized by comprising the steps of: firstly, the use of deep hole boring machine the inner bore of the cylinder tube for rough boring; then using a deep bore honing machine cylinder tube coarsely Heng; later, then the deep hole boring machine, the boring tool is removed into the rolling head, said internal bore of the cylinder tube is rolled.
  2. 2.根据权利要求1所述的缸管内孔采取镗珩滚的精加工方法,其特征在于,针对图纸要求尺寸0400H9(+0.14,0)的缸管内孔,所述粗镗的加工尺寸为0 400(-0.05,-0.10)、粗糙度为Ra3.2 ; 所述粗珩的加工尺寸为(6400(+0.12,0)、粗糙度为Ra3.2 ; 所述滚压的进给量为1.25mm/r、直径上的滚压量为0.08-0.10mm、粗糙度为Ra0.1-0.2 o The cylinder bore according to a method of taking finishing honing boring roller as claimed in claim, characterized in that, for the size of drawings 0400H9 (+0.14,0) of the cylinder bore tube, the rough boring machining size 0 400 (-0.05, -0.10), roughness Ra3.2; the rough honing processing size (6400 (+0.12,0), roughness Ra3.2; of the feed roll was 1.25 mm / r, on the amount of roll diameter 0.08-0.10mm, roughness Ra0.1-0.2 o
  3. 3.根据权利要求1或2所述的缸管内孔采取镗珩滚的精加工方法,其特征在于,所述深孔镗床的型号为TK2240,所述深孔珩磨`机的型号为HTC-4300W。 The cylinder bore 1 or claim 2 taken boring finishing honing method as claimed in claim roll, wherein the deep hole boring machine model TK2240, the 'deep hole honing machine model is HTC-4300W .
CN 201310631268 2013-11-29 2013-11-29 Method for finish machining inner hole of cylinder tube in boring, honing and rolling modes CN103612075A (en)

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Publication number Priority date Publication date Assignee Title
CN105014327A (en) * 2015-08-14 2015-11-04 四川建安工业有限责任公司 ABS hole machining process for axle housing connection flange

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US3834013A (en) * 1971-02-18 1974-09-10 Gen Motors Corp Method for forming finished bore sizes in laminated stator cores of dynamoelectric machines
DE3601541A1 (en) * 1986-01-20 1987-07-23 Kraftwerk Union Ag Method and device for improving the surface quality of bores
US5931038A (en) * 1997-02-25 1999-08-03 Toyota Jidosha Kabushiki Kaisha Method of machining bore surface of cylinder block and apparatus therefor
CN102152084A (en) * 2011-05-05 2011-08-17 柳州双吉机械有限公司 Processing method for inner hole of cylinder
CN202963890U (en) * 2012-10-31 2013-06-05 合肥合锻机床股份有限公司 Device for conducting roll finishing on surface of inner hole of piston oil cylinder for hydraulic machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105014327A (en) * 2015-08-14 2015-11-04 四川建安工业有限责任公司 ABS hole machining process for axle housing connection flange

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