CN103084902A - Cutterhead main shaft transmission and ram feed drive device - Google Patents
Cutterhead main shaft transmission and ram feed drive device Download PDFInfo
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- CN103084902A CN103084902A CN2013100153303A CN201310015330A CN103084902A CN 103084902 A CN103084902 A CN 103084902A CN 2013100153303 A CN2013100153303 A CN 2013100153303A CN 201310015330 A CN201310015330 A CN 201310015330A CN 103084902 A CN103084902 A CN 103084902A
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Abstract
The invention relates to cutterhead main shaft transmission and a ram feed drive device of a milling circular cutterhead main shaft transmission and ram feed drive composite device which is arranged at a first working portion of a numerically controlled crank milling machine. The cutterhead main shaft transmission and ram feed drive device is a main cutting power working portion of a crank arm crank groove milling machine tool and a T-shaped ram milling main shaft vertical movement feed power working portion. The main function of the cutterhead main shaft main transmission is that a cutterhead main shaft is driven by a main transmission box main transmission motor to obtain great torque to achieve milling and cutting machining of the forge piece blank crank arm crank groove. The ram feed drive device is mainly used for driving the T-shaped ram milling circular cutterhead main shaft to move in the vertical direction and finishing milling and cutting machining of opening the crank arm crank groove in the height direction fed by main transmission box main drive.
Description
Technical field
The present invention relates to a kind of boats and ships heavy industry industry that is applied to, heavy crankshaft crooked arm crank pit is carried out the lathe of interior Milling Process, refer more particularly to cutter spindle transmission and ram feed arrangement in lathe.
Background technology
Boats and ships heavy industry industry marine low speed diesel engine bent axle is functional part most crucial in marine low speed diesel engine, is used for transmitting huge moment of torsion, promotes several ten thousand tons to the boats and ships of hundreds of thousands ton.Crankshaft material is low-carbon alloy steel, and 5 to 15 meters of general single crankshaft length, weight are 30 to 200 tons, and the bent axle that minority weight reaches more than 300 tons is to be in series by two bent axles.Because the long weight of self length is large, can not adopts the mode of blank solid forging moulding and adopt package assembly.Processed separately by some single parts, then be combined into whole bent axle through hot jacket.Single part be called crank arm heavy 30 tons to more than 80 tons, single structure of cranking arm as shown in Figure 1, its and crank 1 of being parallel to each other identical by two structures with is connected columned crank-pin 2 three part that connect two cranks 1 and consists of and crank arm, crank-pin 2 positions are at an end of two cranks 1, be processed with the hot jacket hole of assembling use on the other end of crank, be processed into crank pit 3 (in open crotch) between two cranks 1.The present manufacture craft of cranking arm is that two cranks and crank-pin are made an one-piece parts, and the blank of cranking arm is the unitary solid forging, be on the entity forging blank Roughing and fine machining go out between crank in open crotch groove 3.The equipment that is used at present crank pit processing adopts crank turning machine processing crank pit usually, and the blank of cranking arm is installed on the turnery platform and adds the man-hour workpiece and want rotating 360 degrees to cut a cutter, and its process velocity is slow and efficient is low.Milling milling process in numerical control is present crank pit machining advanced person's processing method in the world, by its processing to high-power forged steel crank element, more be conducive to the chip breaking rigidity good especially, interior milling machine tool has multiple processing pattern, and using maximum is to mill processing technology in crank fixed numerical control crank.Its main feature is: production efficiency is high, good processing accuracy, applied widely, flexible.Foreign-made has the crank pit milling machine tool, and the working (machining) efficiency of crank pit milling machine is 5 to 8 times of crank pit lathe working (machining) efficiency.The present whole world of this crank pit milling machine tool has only produced five, if the such crank pit of import mills machining tool, need about 400～7,000,000 Euros of cost, because equipment investment is huge, so domestic boats and ships heavy industry industry still adopts at present the low crank shank lathe of its working (machining) efficiency to be used for processing and cranks arm, but also will spend the external crank shank lathe that a large amount of foreign exchanges is bought import.the domestic present cyclone milling machine that is used for the processing of heavy-duty crankshaft axle journal of having developed, develop crank shank lathe but still do not solved the problem of heavily cutting high efficiency processing of the blank forged piece roughing first operation of cranking arm, at present in boats and ships heavy industry industry marine low speed diesel engine bent axle is cranked arm process technology equipment family, lack just this for heavily cutting the crank arm technical equipment of crank pit of Milling Process in high efficiency, design and develop the crank pit milling machine tool of cranking arm and be the boats and ships heavy industry industry marine low speed diesel engine bent axle processing technology of cranking arm, the technical barrier that the technical equipment aspect needs to be resolved hurrily.
Summary of the invention
Technical problem to be solved by this invention is: cutter spindle transmission and ram feed arrangement in a kind of heavy numerical control crank milling lathe of cutting Milling Process mode in high efficiency are provided.
For satisfying and realizing above functional requirement, the technical method measure that the present invention adopts, the designing technique that needs to solve are:
Cutter spindle transmission and ram feed drive unit, comprise: in numerical control crank milling lathe main frame, cutter spindle transmission feeding driving composite set working portion is arranged in milling circular beater plate spindle drive and ram feeding driving composite set working portion and drives the installation of composite set working portion employing tandem compound form with circular table clamping workpiece supporting feeding; Milling circular beater plate spindle drive and ram feeding drive the composite set working portion and comprise: linked roof bar combination pedestal and the T shape ram that is arranged in the combination pedestal, be provided with circular beater plate on T shape ram and for the main transmission box and the drive motors that drive the circular beater plate gyration, be provided with the transmission case and the drive motors that move up and down along combination base rail Z-direction for driving cutterhead in the combination pedestal.
Milling circular beater plate spindle drive case and T shape ram feed arrangement are arranged on the combination pedestal of numerical control crank milling lathe gate-type main body; The combination pedestal is box structure, whole is comprised of left base body, right base body, surrounds the z axis guide rail that T shape inner chamber extends in middle vertical planes, T shape ram is installed is done in check moving along z axis, and circular beater plate is arranged on T shape ram top; Linked roof bar is that box-shaped is whole, is assembled by left and right back timber body; The crossbeam of left and right back timber is made integral body with left and right pillar respectively, consists of abdominal cavity indent hollow shape gantry type frame formula structure after combination; Linked roof bar is by making up main body across the top of combination pedestal and the portal frame that base top surface is fixed as one above cutterhead; Linked roof bar is included in linked roof bar and the indent hollow part, abdominal cavity of making up pedestal top formation with the combination pedestal with cutterhead T shape ram parts; The cutting blade of the forward facial position of circular beater plate alignment of shafts root partly protrudes from linked roof bar and the positive front end face formation knife cutting district that makes up pedestal.
T shape ram is arranged on T shape re-entrant portion in combination main body combination pedestal vertical plane and is combined the formation z axis with T shape guide rail; The milling circular beater plate is arranged on the top of T shape ram main shaft, and T shape ram is equipped with at least one group of cutter spindle transmission case and drive motors; At least one group of the drive unit that T shape ram moves along z axis is equipped with in combination on pedestal; Cutterhead position limiter more than one is housed on the linked roof bar of cutterhead upper surface and on the T shape ram of cutterhead lower surface.
The form that the main transmission box that is comprised of some travelling gears that are meshed and power transmission shaft and motor vertically hang upside down installation, at least one group of cutter spindle transmission case and drive motors are equipped with in T shape ram bottom; Combination is equipped with T shape ram on pedestal and is moved up and down at least one group of the drive unit of feeding along z axis, comprise the four rhizoid bars that are arranged on T-shaped ram, arrange on the combination pedestal and drive respectively transmission case and the servomotor that the screw pair rotation is comprised of some gears and power transmission shaft, the slide block that arranges on screw mandrel and slide block and T-shaped ram fix; T shape ram bottom is equipped with the hydro-cushion oil cylinder.
1. milling circular beater plate spindle drive and ram feeding drive the composite set working portion, drive the composite set working portion with the supporting of circular table clamping workpiece and slide feeding and adopt the composite configuration's form that is installed in series.The supporting of circular table clamping workpiece and slide feeding drive the composite set working portion, are arranged on the front end position that milling circular beater plate spindle drive and feeding drive the composite set working portion.
2. milling circular beater plate spindle drive and ram feeding drive the composite set working portion: mainly solution driving machete disc spins main cutting power and the motion of cutterhead vertical feed, main shaft supporting, cutter spindle drive the power transmission arrangment coupling, the vertical feed of cutterhead T shape ram drives power transmission arrangment coupling, pedestal stand under load support stiffness, carries stressed Intensity Design technology etc.
3. resistance to vibration, intensity and the basis large part quality structure coupling design in cutter spindle main transmission and the ram feed drive unit working portion large part in basis cross section under gravity cutting situation.
4. the cutter spindle main transmission that proposes in claims and every technical characterictic of feed drive unit working portion have been embodied by the lathe by above requirement design.
The invention has the beneficial effects as follows: numerical control crank milling lathe is realized the forging blank crank pit high-power high-efficiency of cranking arm is heavily cut interior Milling Process, and its Milling Process efficient is 5 to 8 times of crank turning machining tool.This numerical control crank milling lathe is the novel lathe that stand-alone development manufactures and designs, and is not quite similar with external uniform machines bed structure, has independently technological know-how property right.This lathe is cranked arm and is efficiently heavily cut the interior Milling Process crank pit of cranking arm and open shelves for solving forging blank, advanced interior Milling Process process is provided, provide the high efficiency process technology equipment of heavily cutting of autonomous production heavy-duty crankshaft for boats and ships heavy industry industry, for the boats and ships heavy industry industry high efficiency manufacture heavy duty marine bent axle of realizing as early as possible domesticizing provides technical guarantee.Filled up the technological gap of country for boats and ships heavy industry industry heavy-duty crankshaft crank pit machining tool; Solved the difficult point of boats and ships heavy industry industry heavy-duty crankshaft processing peculiar to vessel.
Description of drawings
Fig. 1 is single structural representation of cranking arm on heavy-duty crankshaft;
Fig. 2 is main TV structure schematic diagram of the present invention;
Fig. 3 is the plan structure schematic diagram of Fig. 2;
Fig. 4 is the left TV structure schematic diagram of Fig. 2;
Fig. 5 is the left TV structure schematic diagram that Fig. 2 removes the back timber aftertable;
Fig. 6 removes the structural representation that moves down drive unit after back timber on T shape ram cutterhead in Fig. 2;
In Fig. 1: 1, crank, 2, crank-pin, 3, crank pit opens shelves.
Fig. 2, Fig. 3, Fig. 4, Fig. 5, in Fig. 6: 1, lathe bed, 2, the lathe bed protective cover, 3, the slide feed drive unit, 4, slide, 5, circular table, 6, the clamping workpiece device, 7, crank shaft blank, 8, slide feeding drive motors, 9, the tooth bar group, 10, main transmission drives, 11, T shape ram, 12, main shaft, 13, cutterhead, 14, the ram drive unit, 15, cutterhead position device, 16, left pedestal, 17, right pedestal, 18, circular table drives transmission case, 19, the circular table gear ring, 20, the workpiece balance weight, 21, the ram panel, 22, the hydro-cushion oil cylinder, 23, vibration damping box, 24, linked roof bar, 25, screw mandrel, 26, the turning accessory head.
The specific embodiment
Below by specific embodiment, cutter spindle transmission of the present invention and ram feed drive unit are described in further detail.
As Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, numerical control crank milling lathe general structure layout designs is divided into two large working portions: the first working portion milling circular beater plate spindle drive and ram feeding drive composite set; The second working portion circular table clamping workpiece supporting and slide feeding drive composite set.
Milling circular beater plate spindle drive and ram feeding drive the composite set working portion, drive the composite set working portion with the supporting of circular table clamping workpiece and slide feeding and adopt the composite configuration's form that is installed in series.The supporting of circular table clamping workpiece and slide feeding drive the composite set working portion, are arranged on the front end position that milling circular beater plate spindle drive and ram feeding drive composite set working portion knife cutting district.
When cutter spindle main transmission and feed drive unit working portion are mainly completed the height change of cutterhead main cutting power drive crank arm crank pits different from knife cutting, T shape ram is made the actuation movement of the vertical feed drive up and down of Z direction.
Milling circular beater plate spindle drive and feeding drive the composite set working portion and comprise: linked roof bar 24 combination pedestals and the T shape ram 11, the ram panel 21 that are arranged in the combination pedestal, be provided with circular beater plate 13 on T shape ram and be used for drive main transmission box 10 and the drive motors of circular beater plate gyration, be provided with T shape ram drive unit 14 transmission cases and the drive motors that move up and down along combination base rail Z-directions for driving cutterhead T shape ram 11 in the combination pedestal.For guaranteeing that milling circular beater plate spindle drive and feeding drive each parts of composite set working portion and reliably realize cutterhead main cutting power drive, the actuation movement of T shape ram feeding transmission, guarantee the stressed support strength of carrying and the rigidity of each parts of combination installation, the main body that milling circular beater plate spindle drive and feeding drive the composite set working portion is designed to the structure that above following box rectangular susceptor, portal frame combines, and is assembled by linked roof bar 24, combination pedestal.The combination pedestal is box structure, integral body is comprised of left base body 16, right base body 17, surround the z axis guide rail that T shape inner chamber extends in middle vertical planes, T shape ram 11 is installed is done in check moving along z axis, circular beater plate 13 is arranged on T shape ram 11 tops.Linked roof bar 24 is that box-shaped is whole, is assembled by left and right back timber body.The crossbeam of left and right back timber is made integral body with left and right pillar respectively, consists of abdominal cavity indent hollow shape gantry type frame formula structure after combination.Linked roof bar 24 is fixed into gantry type frame combination main body on the bottom base that is integrated by top and the base top surface across the combination pedestal above cutterhead.Linked roof bar 24 is included in linked roof bar 24 and the indent hollow part, abdominal cavity of making up pedestal top formation with the combination pedestal with cutterhead 13T shape ram 11 parts.The cutting blade of the forward facial position of circular beater plate 13 alignment of shafts roots partly protrudes from linked roof bar 24 and the positive front end face formation knife cutting district that makes up pedestal.T shape ram 11 is arranged on T shape re-entrant portion in combination main body combination pedestal vertical plane and is combined the formation z axis with T shape guide rail.Milling circular beater plate 13 is arranged on the top of T shape ram main shaft 12, and T shape ram 11 is equipped with cutter spindle transmission case 10 and drive motors (at least one group).On the combination pedestal, the drive unit 14 (at least one group) that T shape ram 11 moves along z axis is housed, comprise the four rhizoid bars 25 that are arranged on T-shaped ram 11, combination is provided with transmission case and the servomotor of the ram drive unit that is comprised of some gears and power transmission shaft that drives respectively that screw pair rotates on pedestal, and on screw mandrel 25, the slide block of setting and slide block and T-shaped ram 11 fix.Cutterhead position limiter 15 more than one is housed on the linked roof bar 24 of cutterhead upper surface and on the T shape ram 11 of cutterhead lower surface, and T shape ram 11 bottoms are equipped with hydro-cushion oil cylinder 22 and vibration damping box 23.
The supporting of circular table clamping workpiece and slide feeding drive composite set and comprise lathe bed 1, be provided with lathe bed protective cover 2 on lathe bed 1, be provided with slide 4 on lathe bed 1 and be used for driving the slide feed drive unit 3 that slide 4 vertically moves, slide 4 two sides also are provided with the circular table driving transmission case 18 that rotates for driving circular table 5, are provided with clamping workpiece device 6 on circular table 5.Cranking arm for the workpiece that guarantees clamping that the supporting of circular table clamping workpiece and slide feeding drive composite set 3 operate portions departmentalisms and realize that workpiece cranks arm, load-bearing, conveying clamping is fed into the knife cutting district and carries out milling and cut processing, and the load load-bearing of each parts, the stressed support under resistance to cutting.Lathe bed 1, slide 4, the circular table 5 that circular table clamping workpiece supporting feeding drives the composite set working portion all is designed to the box structure of the cloth muscle abdominal cavity in, lathe bed 1 for the box rectangular longitudinal of interior cloth muscle to the front end position that is arranged on milling circular beater plate spindle drive and feeding driving composite set.Lathe bed 1 guide rail extends in X-axis line direction, on it, be furnished with unnecessary one or more rectangular guideway, in lathe bed longitudinal guide horizontal plane and the recessed belly of guide rail parallel position, be provided with the several tooth bars that meet impulse stroke length and alter at least one group of the tooth bar group 9 that the connection form installs.Slide 4 combines with lathe bed 1 guide rail for the rectangular guideway on bottom the box rectangular configuration of cloth muscle in the abdominal cavity, and the top is provided with round ring guide and combines with circular table 5 guide rails, and the slide afterbody is provided with slide feed drive unit 3.Circular table is the box structure of cloth muscle in the abdominal cavity, be provided with ring-shaped guide rail on the lower horizontal anchor ring of circular table 5, the vertical side anchor ring is equipped with the gear ring 19 of circular table, clamping workpiece device 6 is installed on circular table 5, and is furnished with the balance weight 20 of laying particular stress on counterweight with the clamping workpiece of workpiece weight changeable.Slide 4 afterbodys are provided with the slide feeding and drive transmission case 3 (at least one group), pinion on its device is meshed with lathe bed tooth bar group 9 and is driven by slide feeding drive motors 8, drives slide 4 through drive unit and does the feed motion of X-axis line along lathe bed 1 longitudinal extension guide rail.Be provided with (at least one group) in slide 4 sides and drive circular table around the drive unit 18 of C axis gyration, workbench gear ring 19 engagements of the lower vertical side ring surface setting of the pinion of C axis gyration drive unit 18 and circular table 5 drive through drive unit 18 circular table 5 of installing on it and make C axle axis rotation.Circular table 5 is provided with Workpiece clamping device 6.
Operation principle of the present invention is: during use, crank shaft blank 7 is fixed on circular table 5 by workpiece fastener 6, cutterhead 13 main driving motors drive cutterhead 13 and rotate.Circular table 5 clamping workpieces are by slide 4 supporting, drive to move along lathe bed 1 guide rail to cutterhead 13 directions by slide drive unit 3 to be transported to the knife cutting district, thereby make 13 pairs of forging blank spares of cranking arm of cutterhead carry out milling.After being milled into certain depth, the reverse movement of circular table 5 retreats, then main shaft by on move down drive unit and move up or down, again carry out milling, thereby mill out the crank pit of certain altitude.After completing the crank pit of cranking arm and opening the Milling Process of shelves, the supporting circular table 5 of cranking arm drives transmission case 18 by circular table and drives, and makes the C axle and rotate on slide 4, thereby make the crank shaft blank rotation.At this moment cutterhead 13 and the circular table 5 crank-pin position of rotating simultaneously crank shaft blank is milled into a cylinder axis shape, has completed the processing of milling of crank arm crank pit and crank pin.Then clamping crank-pin back chipping turning accessory head 26 on cutterhead, cutterhead 13 turn to crank-pin back chipping turning accessory head 26 on the axial axle center line position of two working portions and maintain static.Then, the circular table 5 that supporting is cranked arm drives transmission case 18 by circular table and drives, and does the rotation of C axle on slide 4 blank of cranking arm is rotated.At this moment the cutter that maintains static on the turning accessory head of clamping on it of cutterhead 13 is also motionless, and the blank of cranking arm rotates with workbench, and cutter fixing on cutterhead 13 is lathed the position up and down of crank-pin root the annulus undercut of semicircle shape.After above-mentioned action is complete, has namely completed the crank pit of cranking arm and opened and mill in shelves and crank-pin position whole and turning is processed.
The invention has the beneficial effects as follows: numerical control crank milling lathe is realized the forging blank crank pit high-power high-efficiency of cranking arm is heavily cut interior Milling Process, and its Milling Process efficient is 5 to 8 times of crank turning machining tool.This numerical control crank milling lathe is the novel lathe that stand-alone development manufactures and designs, and is not quite similar with external uniform machines bed structure, has independently technological know-how property right.This lathe is cranked arm and is efficiently heavily cut the interior Milling Process crank pit of cranking arm and open shelves for solving forging blank, advanced interior Milling Process process is provided, provide the high efficiency process technology equipment of heavily cutting of autonomous production heavy-duty crankshaft for boats and ships heavy industry industry, for the boats and ships heavy industry industry high efficiency manufacture heavy duty marine bent axle of realizing as early as possible domesticizing provides technical guarantee.Filled up the technological gap of country for boats and ships heavy industry industry heavy-duty crankshaft crank pit machining tool; Solved the difficult point of boats and ships heavy industry industry heavy-duty crankshaft processing peculiar to vessel.
The above embodiments are principle and the effect thereof of illustrative the invention only, and the embodiment of part utilization, but not is used for restriction the present invention; Should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the invention design, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (4)
1. cutter spindle transmission and ram feed drive unit, it is characterized in that: comprising: in numerical control crank milling lathe, cutter spindle transmission feeding driving composite set working portion is arranged in milling circular beater plate spindle drive and ram feeding driving composite set working portion and drives the installation of composite set working portion employing tandem compound form with circular table clamping workpiece supporting feeding; Milling circular beater plate spindle drive and ram feeding drive the composite set working portion and comprise: linked roof bar combination pedestal and the T shape ram that is arranged in the combination pedestal, be provided with circular beater plate on T shape ram and for the main transmission box and the drive motors that drive the circular beater plate gyration, be provided with the transmission case and the drive motors that move up and down along combination base rail Z-direction for driving cutterhead in the combination pedestal.
2. cutter spindle transmission according to claim 1 and ram feed drive unit, it is characterized in that: milling circular beater plate spindle drive case and T shape ram feed arrangement are arranged on the combination pedestal of numerical control crank milling lathe gate-type main body; The combination pedestal is box structure, whole is comprised of left base body, right base body, surrounds the z axis guide rail that T shape inner chamber extends in middle vertical planes, T shape ram is installed is done in check moving along z axis, and circular beater plate is arranged on T shape ram top; Linked roof bar is that box-shaped is whole, is assembled by left and right back timber body; The crossbeam of left and right back timber is made integral body with left and right pillar respectively, consists of abdominal cavity indent hollow shape gantry type frame formula structure after combination; Linked roof bar is by making up main body across the top of combination pedestal and the portal frame that base top surface is fixed as one above cutterhead; Linked roof bar is included in linked roof bar and the indent hollow part, abdominal cavity of making up pedestal top formation with the combination pedestal with cutterhead T shape ram parts; The cutting blade of the forward facial position of circular beater plate alignment of shafts root partly protrudes from linked roof bar and the positive front end face formation knife cutting district that makes up pedestal.
3. cutter spindle transmission according to claim 1 and 2 and ram feed drive unit is characterized in that: T shape ram is arranged on T shape re-entrant portion in combination main body combination pedestal vertical plane and is combined the formation z axis with T shape guide rail; The milling circular beater plate is arranged on the top of T shape ram main shaft, and T shape ram is equipped with at least one group of cutter spindle transmission case and drive motors; At least one group of the drive unit that T shape ram moves along z axis is equipped with in combination on pedestal; Cutterhead position limiter more than one is housed on the linked roof bar of cutterhead upper surface and on the T shape ram of cutterhead lower surface.
4. cutter spindle transmission according to claim 1 and 2 and ram feed drive unit, it is characterized in that: the form that the main transmission box that is comprised of some travelling gears that are meshed and power transmission shaft and motor vertically hang upside down installation, at least one group of cutter spindle transmission case and drive motors are equipped with in T shape ram bottom; Combination is equipped with T shape ram on pedestal and is moved up and down at least one group of the drive unit of feeding along z axis, comprise the four rhizoid bars that are arranged on T-shaped ram, arrange on the combination pedestal and drive respectively transmission case and the servomotor that the screw pair rotation is comprised of some gears and power transmission shaft, the slide block that arranges on screw mandrel and slide block and T-shaped ram fix; T shape ram bottom is equipped with the hydro-cushion oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100153303A CN103084902A (en) | 2013-01-16 | 2013-01-16 | Cutterhead main shaft transmission and ram feed drive device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100153303A CN103084902A (en) | 2013-01-16 | 2013-01-16 | Cutterhead main shaft transmission and ram feed drive device |
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| CN103084902A true CN103084902A (en) | 2013-05-08 |
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| CN2013100153303A Pending CN103084902A (en) | 2013-01-16 | 2013-01-16 | Cutterhead main shaft transmission and ram feed drive device |
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Citations (4)
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| CN201214188Y (en) * | 2008-07-14 | 2009-04-01 | 常州市三利精机有限公司 | Double column horizontal type numerically controlled milling machine with movable column for torii rough machining |
| KR20090037733A (en) * | 2007-10-12 | 2009-04-16 | 조병일 | Transfer structure of ram type horizontal machining center |
| CN101722419A (en) * | 2009-10-29 | 2010-06-09 | 大连科德数控有限公司 | Vertical milling lathe complex machining center |
| CN203045394U (en) * | 2013-01-16 | 2013-07-10 | 苏州爱博纳重工装备科技有限公司 | Tool pan main shaft transmission and ram feeding drive device |
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2013
- 2013-01-16 CN CN2013100153303A patent/CN103084902A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090037733A (en) * | 2007-10-12 | 2009-04-16 | 조병일 | Transfer structure of ram type horizontal machining center |
| CN201214188Y (en) * | 2008-07-14 | 2009-04-01 | 常州市三利精机有限公司 | Double column horizontal type numerically controlled milling machine with movable column for torii rough machining |
| CN101722419A (en) * | 2009-10-29 | 2010-06-09 | 大连科德数控有限公司 | Vertical milling lathe complex machining center |
| CN203045394U (en) * | 2013-01-16 | 2013-07-10 | 苏州爱博纳重工装备科技有限公司 | Tool pan main shaft transmission and ram feeding drive device |
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| 张庆: "船用曲柄加工的创新技术", 《机械工程师》 * |
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