CN111495031B - Cutting fluid recovery processing device for digit control machine tool - Google Patents
Cutting fluid recovery processing device for digit control machine tool Download PDFInfo
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- CN111495031B CN111495031B CN202010616953.6A CN202010616953A CN111495031B CN 111495031 B CN111495031 B CN 111495031B CN 202010616953 A CN202010616953 A CN 202010616953A CN 111495031 B CN111495031 B CN 111495031B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/015—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements
- B01D33/0158—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with flat filtering elements self-supporting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
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- Chemical Kinetics & Catalysis (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a cutting fluid recovery processing device for a numerical control machine tool, which comprises a barrel body, wherein mounting rods are arranged on two sides of the top of the barrel body, one end of each mounting rod is provided with a same mounting plate, an extension rod is inserted in the circle center of the top of each mounting plate, a lifting filter plate is arranged at the bottom of each extension rod, and first through holes which are uniformly distributed are formed in the top of each lifting filter plate. The large-particle impurities in the cutting fluid rise to the opening of the barrel body along with the lifting filter plate to be convenient to clean, after the large-particle impurities are cleaned, the driving motor drives the lifting filter plate to press the cutting fluid at the bottom of the barrel body downwards, at the moment, the cutting fluid enters the first water outlet hole, the cutting fluid sprayed out from the top opening of the first water outlet hole pushes the movable plate to enable the movable plate to be turned to be horizontal, the cutting fluid is prevented from overflowing to the top of the lifting filter plate through the first through hole, and along with the pressing of the lifting filter plate, the cutting fluid is injected into the filter element with the inner diameter of the shell through the connecting.
Description
Technical Field
The invention relates to the technical field of numerical control machines, in particular to a cutting fluid recovery processing device for a numerical control machine.
Background
The cutting fluid is an industrial fluid used for cooling and lubricating a cutter and a workpiece in the metal cutting and grinding process, is commonly used in the grinding or cutting operation process of a numerical control machine tool, and needs to be recycled for energy conservation.
Through the retrieval, chinese patent publication is CN 210229363U's patent, discloses a cutting fluid recovery processing device for metalcutting, including base, processing tank and secondary treatment case, the bottom outer wall four corners of processing tank all is equipped with the support column, and the top outer wall of base has placed the collecting box, and the collecting box is located four support column inboards, the inner wall of processing tank is equipped with stirring component, and the outer wall of processing tank is equipped with cooling module, the top outer wall of processing tank is equipped with the feed liquor pipe. The cutting fluid recovery processing device for metal cutting in the above patent has the following disadvantages: the problem of inconvenient and efficient use exists when in use.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a cutting fluid recovery processing device for a numerical control machine tool.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cutting fluid recovery processing device for a numerical control machine tool comprises a barrel body, wherein mounting rods are arranged on two sides of the top of the barrel body, one end of each mounting rod is provided with a same mounting plate, an extension rod is inserted in the center of the circle of the top of the mounting plate, a lifting filter plate is arranged at the bottom of the extension rod, first through holes which are uniformly distributed are formed in the top of the lifting filter plate, a movable plate is hinged to the top of the inner wall of one side of each first through hole, a first water outlet hole is formed in the other side, located at the opening of the first through hole, of the bottom of the lifting filter plate, a top opening of the first water outlet hole is located on the side, close to the movable plate, hinged to the first through holes, the inner diameter of the bottom opening of the first water outlet hole is larger than the inner diameter of the top opening, uniformly distributed tooth sockets are formed in two sides of, the circumference of the driving gear is meshed with the tooth grooves, the bottom of the outer wall on one side of the barrel body is connected with a connecting pipe in an inserting mode, one end of the connecting pipe is connected with a one-way valve through a flange, the other end of the connecting pipe is communicated with a shell, a filter element is filled in the shell, and a discharging pipe is connected to the top of the outer wall on one side of the shell in an inserting mode.
Preferably, the top of the inner wall of one side of the first perforation, which is hinged with the movable plate, is provided with a limiting block, one side of the limiting block, which is far away from the inner wall of the first perforation, is obliquely arranged, and the top of the inner wall of one side of the first perforation, which is far away from the limiting block, is provided with a limiting strip.
Preferably, the second apopore has been seted up to the first perforation open-ended one side that is located lift filter bottom, and second apopore bottom open inner wall and first apopore bottom open inner wall all are equipped with and prevent stifled filter screen.
Preferably, the open-top of second apopore is located and keeps away from fly leaf and first perforation articulated one side, and the both ends opening internal diameter of second apopore all is less than the both ends opening internal diameter of first apopore.
Preferably, the circumference of the bottom of the mounting plate is provided with an annular electric sliding rail, and the inside of the electric sliding rail is slidably connected with a rotating ring.
Preferably, the two sides of the bottom of the rotating ring are provided with dust hoods, and the top of the mounting rod is provided with a dust collector.
Preferably, the top and the bottom of the filter element in the shell are both provided with a shunt screen plate, and the meshes of two adjacent shunt screen plates are arranged in a staggered manner.
Preferably, the circumference of the lifting filter plate is provided with a rubber ring, and the outer diameter of the rubber ring is matched with the inner diameter of the barrel body.
Preferably, the outer wall of one end of the dust hood, which is close to the extension rod, is connected with a cleaning brush through a spring.
The invention has the beneficial effects that:
1. the invention provides a cutting fluid recovery processing device for a numerical control machine tool, which is characterized in that an extension rod, a driving gear and a lifting filter plate are arranged, first perforation, fly leaf and first apopore, large granule impurity in the cutting fluid rises to the convenient clearance of staving opening part along with the lift filter, drive gear drives the cutting fluid that the staving bottom was pressed downwards to the lift filter after the large granule impurity clearance was accomplished, the cutting fluid gets into in the first apopore this moment, the fly leaf is moved in the open-top spun cutting fluid top of first apopore makes it turn to the level setting and avoids the cutting fluid to overflow to the top of lift filter through first perforation, along with pressing of lift filter, the cutting fluid pours into casing internal diameter filter core through the connecting pipe and further filters the back and discharges through the discharging pipe, can pour pending cutting fluid into in to the staving when pressing the lift filter, high efficiency and convenient to use.
2. According to the cutting fluid recovery processing device for the numerical control machine tool, the limiting block and the limiting strip are arranged, the limiting block prevents the movable plate from being difficult to turn to be horizontal when the movable plate is pressed down and lifted due to the fact that the side face of the movable plate is completely attached to the inner wall of the first through hole when the movable plate is vertically arranged, and the limiting strip ensures that the movable plate is turned to be horizontally arranged.
3. According to the cutting fluid recovery processing device for the numerical control machine tool, the second water outlet hole is formed, when the filter plate is pressed down and lifted, the cutting fluid enters the second water outlet hole, the cutting fluid sprayed from the top opening of the second water outlet hole blows impurities on the top of the movable plate which is obliquely arranged at the moment, the situation that the impurities are accumulated between the movable plate and the inner wall of the first through hole to influence the turnover of the movable plate to be horizontal is avoided, the flow rate of the cutting fluid sprayed out of the first water outlet hole is larger than that of the cutting fluid sprayed out of the second water outlet hole, and the movable plate is guaranteed to be smoothly turned.
4. According to the cutting fluid recovery processing device for the numerical control machine tool, the electric slide rail and the dust hood are arranged, when the lifting filter plate rises to the opening of the barrel body, the electric slide rail can drive the rotating ring to rotate, and meanwhile, the dust collector can conduct dust collection processing on the top of the lifting filter plate through the dust hood, so that impurities on the top of the lifting filter plate can be conveniently and efficiently removed.
Drawings
Fig. 1 is a schematic structural view of a cutting fluid recovery processing device for a numerical control machine tool according to embodiment 1;
fig. 2 is an enlarged view of a part a of the structure of the cutting fluid recovery processing device for a numerical control machine tool according to embodiment 1;
fig. 3 is a schematic structural view of a mounting plate and a dust hood of the cutting fluid recovery processing device for a numerical control machine tool according to embodiment 1;
fig. 4 is a sectional view of a side structure of a mounting plate and a dust hood of the cutting fluid recovery processing device for a numerical control machine tool according to embodiment 1;
fig. 5 is a side sectional view of a mounting plate and a dust hood of the cutting fluid recovery processing device for a numerical control machine tool according to embodiment 2.
In the figure: 1 staving, 2 lift filters, 3 first perforation, 4 check valves, 5 connecting pipes, 6 reposition of redundant personnel otter boards, 7 filter cores, 8 discharging pipes, 9 casings, 10 installation poles, 11 dust collectors, 12 drive gear, 13 extension rod, 14 tooth's socket, 15 electronic slide rails, 16 rotation circles, 17 suction hood, 18 rubber circle, 19 fly leaf, 20 stopper, 21 first apopore, 22 anti-blocking filter screen, 23 second apopore, 24 mounting panels, 25 fixed plates, 26 cleaning brush.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-4, a cutting fluid recovery processing device for a numerical control machine tool, comprising a barrel body 1, wherein two sides of the top of the barrel body 1 are connected with mounting rods 10 through fastening bolts, one end of each of the two mounting rods 10 is connected with a same mounting plate 24 through fastening bolts, an extension rod 13 is inserted in the center of the top of the mounting plate 24, the bottom of the extension rod 13 is connected with a lifting filter plate 2 through fastening bolts, the top of the lifting filter plate 2 is provided with first through holes 3 which are uniformly distributed, the top of the inner wall of one side of each of the first through holes 3 is hinged with a movable plate 19, the bottom of the lifting filter plate 2 is positioned on the other side of the opening of the first through hole 3 and is provided with a first water outlet 21, the top opening of the first water outlet 21 is positioned on the side of the movable plate 19 hinged with the first through hole 3, the inner diameter of the bottom, both sides of mounting panel 24 bottom all are equipped with two fixed plates 25, and be located mounting panel 24 bottom and be connected with same drive gear 12 through the bearing in the same one side that two fixed plates 25 of one side are relative, drive gear 12's circumference and tooth's socket 14 meshing, the bottom of 1 one side outer wall of staving is pegged graft and is had connecting pipe 5, and the one end of connecting pipe 5 has check valve 4 through flange joint, the other end intercommunication of connecting pipe 5 has casing 9, the inside packing of casing 9 has filter core 7, and the top of casing 9 one side outer wall is pegged graft and is had discharging pipe 8, pour the cutting fluid of pending into staving 1 in, drive gear 12 stirs extension rod 13 upwards and drives lift filter 2 and rise to the open-top of staving 1, the slope is stirred downwards along with lift filter 2 to the open-top of staving 1 to fly leaf 19 this moment, large granule impurity in the cutting fluid conveniently clears up along with lift The cutting fluid enters the first water outlet hole 21, the movable plate 19 is pushed by the cutting fluid sprayed from the top opening of the first water outlet hole 21 to be turned to be horizontal, the cutting fluid is prevented from overflowing to the top of the lifting filter plate 2 through the first through hole 3, and the cutting fluid is injected into the inner diameter filter element 7 of the shell 9 through the connecting pipe 5 and is further filtered and then discharged through the discharging pipe 8 along with the pressing of the lifting filter plate 2.
According to the invention, the top of the inner wall of one side of the first through hole 3 hinged with the movable plate 19 is connected with the limiting block 20 through the fastening bolt, one side of the limiting block 20 far away from the inner wall of the first through hole 3 is obliquely arranged, the top of the inner wall of one side of the first through hole 3 far away from the limiting block 20 is provided with the limiting strip, the limiting block 20 prevents the movable plate 19 from being difficult to turn to be horizontal when the movable plate 19 is vertically arranged and the movable plate 19 is pressed down to lift the filter plate 2 due to the fact that the side face of the movable plate is completely attached.
Wherein, 2 bottoms of lift filter are located first 3 open-ended one sides of perforating and have been seted up second apopore 23, and 23 bottom opening inner walls of second apopore and 21 bottom opening inner walls of first apopore all are connected with through fastening bolt and prevent stifled filter screen 22.
Wherein, the open-top of second apopore 23 is located and keeps away from fly leaf 19 and the articulated one side of first perforation 3, and the both ends open bore diameter of second apopore 23 all is less than the both ends open bore diameter of first apopore 21, when pushing down lift filter 2, the cutting fluid gets into in the second apopore 23, the impurity at fly leaf 19 top that the slope set up this moment is blown to the cutting fluid of 23 open-top from second apopore, avoid impurity to pile up and influence fly leaf 19 upset to the level between fly leaf 19 and the 3 inner walls of first perforation, and the cutting fluid flow through first apopore 21 spun is bigger than the cutting fluid flow of second apopore 23 spun, guarantee that fly leaf 19 overturns smoothly.
Wherein, the circumference department of mounting panel 24 bottom is provided with annular electronic slide rail 15, and the inside sliding connection of electronic slide rail 15 has the circle of turning 16.
Wherein, the both sides of turning round 16 bottoms all are connected with the suction hood 17 through fastening bolt, and the top of installing pole 10 is connected with dust catcher 11 through fastening bolt, and when lift filter 2 rose to 1 opening part of staving, accessible electric slide rail 15 drove and turns round 16 rotations, and dust catcher 11 carries out the dust absorption through suction hood 17 to 2 tops of lift filter simultaneously and handles, makes things convenient for the efficient to clear away the impurity at 2 tops of lift filter.
Wherein, the inside reposition of redundant personnel otter board 6 that all is provided with at the top and the bottom of filter core 7 of casing 9, and the mesh of two adjacent reposition of redundant personnel otter boards 6 is for crisscross setting each other, guarantees the even contact of cutting fluid and filter core 7.
Wherein, the circumference department of lift filter 2 has rubber circle 18 through fastening bolt connection, and the external diameter of rubber circle 18 and the internal diameter looks adaptation of staving 1, and the clearance between lift filter 2 and the 1 inner wall of staving is filled to rubber circle 18 to reduce the frictional force between lift filter 2 and the 1 inner wall of staving.
The working principle is as follows: pouring the cutting fluid to be treated into the barrel body 1, the drive gear 12 upwards stirs the extension rod 13 and drives the lifting filter plate 2 to rise to the top opening of the barrel body 1, at the moment, the movable plate 19 downwards turns and inclines due to gravity, large granular impurities in the cutting fluid rise to the opening of the barrel body 1 along with the lifting filter plate 2 to be convenient to clean, the drive gear 12 drives the lifting filter plate 2 to downwards press the cutting fluid at the bottom of the barrel body 1 after the large granular impurities are cleaned, the cutting fluid enters the first water outlet hole 21 at the moment, the cutting fluid sprayed out from the top opening of the first water outlet hole 21 pushes the movable plate 19 to enable the movable plate to turn to the horizontal setting, the cutting fluid is prevented from overflowing to the top of the lifting filter plate 2 through the first perforation 3, the cutting fluid is injected into the inner diameter filter core 7 of the shell 9 through the connecting pipe 5 to be further filtered and then is discharged through the discharge pipe 8, and the limit block 20 prevents the movable plate 19 from The plate 19 is difficult to turn to be horizontal, the limiting strips ensure that the movable plate 19 is turned to be horizontal, when the lifting filter plate 2 is pressed down, the cutting fluid enters the second water outlet hole 23, the cutting fluid sprayed out of the top opening of the second water outlet hole 23 blows impurities at the top of the movable plate 19 which is inclined at the moment, the impurities are prevented from being accumulated between the movable plate 19 and the inner wall of the first through hole 3 to influence the turning of the movable plate 19 to be horizontal, the flow rate of the cutting fluid sprayed out of the first water outlet hole 21 is larger than that of the cutting fluid sprayed out of the second water outlet hole 23, the movable plate 19 is ensured to be smoothly turned, when the lifting filter plate 2 rises to the opening of the barrel body 1, the rotating ring 16 can be driven to rotate by the electric sliding rail 15, meanwhile, the dust collector 11 carries out dust collection treatment on the top of the lifting filter plate 2 through the dust, the rubber ring 18 fills the gap between the lifting filter plate 2 and the inner wall of the barrel body 1 and reduces the friction force between the lifting filter plate 2 and the inner wall of the barrel body 1.
Example 2
Referring to fig. 5, in a cutting fluid recovery processing device for a numerical control machine tool, compared with embodiment 1, in this embodiment, the outer wall of one end of the dust hood 17 close to the extension rod 13 is connected with a cleaning brush 26 through a spring.
The working principle is as follows: when the drive gear 12 drives the extension rod 13 to move upwards, the spring pushes the cleaning brush 26 to brush and clean the tooth grooves 14, and partial impurities are prevented from being retained in the tooth grooves 14 to influence the meshing of the tooth grooves and the drive gear 12.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The cutting fluid recovery processing device for the numerical control machine tool comprises a barrel body (1) and is characterized in that mounting rods (10) are arranged on two sides of the top of the barrel body (1), one end of each of the two mounting rods (10) is provided with a same mounting plate (24), an extension rod (13) is inserted in the circle center of the top of each mounting plate (24), a lifting filter plate (2) is arranged at the bottom of each extension rod (13), first through holes (3) which are uniformly distributed are formed in the top of each lifting filter plate (2), a movable plate (19) is hinged to the top of the inner wall of one side of each first through hole (3), a first water outlet hole (21) is formed in the other side, which is located at the opening of the first through hole (3), of the bottom of each lifting filter plate (2), a top opening of the first water outlet hole (21) is located on the side, which is close to the movable plate (19) and is hinged to the, evenly distributed's tooth's socket (14) are all seted up to the both sides of extension rod (13), and the both sides of mounting panel (24) bottom all are equipped with two fixed plate (25), and lie in mounting panel (24) bottom and be connected with same drive gear (12) through the bearing with two fixed plate (25) relative one side of one side, the circumference and the tooth's socket (14) meshing of drive gear (12), the bottom of staving (1) one side outer wall is pegged graft and is had connecting pipe (5), and the one end of connecting pipe (5) has check valve (4) through flange joint, and the other end intercommunication of connecting pipe (5) has casing (9), the inside packing of casing (9) has filter core (7), and the top of casing (9) one side outer wall is pegged graft.
2. The cutting fluid recovery and treatment device for the numerical control machine tool according to claim 1, wherein a limiting block (20) is arranged at the top of the inner wall of one side of the first through hole (3) hinged to the movable plate (19), the side of the limiting block (20) far away from the inner wall of the first through hole (3) is obliquely arranged, and a limiting strip is arranged at the top of the inner wall of one side of the first through hole (3) far away from the limiting block (20).
3. The cutting fluid recycling device of claim 2, wherein a second water outlet (23) is formed at the bottom of the elevating filter plate (2) at the side of the opening of the first through hole (3), and the inner wall of the bottom opening of the second water outlet (23) and the inner wall of the bottom opening of the first water outlet (21) are provided with anti-blocking filter screens (22).
4. The cutting fluid recycling device for the numerical control machine according to claim 3, wherein the top opening of the second water outlet hole (23) is located at a side away from the movable plate (19) hinged to the first through hole (3), and the inner diameter of the two end openings of the second water outlet hole (23) is smaller than the inner diameter of the two end openings of the first water outlet hole (21).
5. The cutting fluid recovery and treatment device for the numerical control machine tool is characterized in that an annular electric sliding rail (15) is arranged at the periphery of the bottom of the mounting plate (24), and a rotating ring (16) is connected inside the electric sliding rail (15) in a sliding manner.
6. The cutting fluid recovery processing device for the numerical control machine tool according to claim 5, characterized in that a dust hood (17) is arranged on both sides of the bottom of the rotating ring (16), and a dust collector (11) is arranged on the top of the mounting rod (10).
7. The cutting fluid recovery and treatment device for the numerical control machine tool as claimed in claim 6, wherein the inside of the housing (9) is provided with the flow distribution net plates (6) at the top and the bottom of the filter element (7), and the meshes of two adjacent flow distribution net plates (6) are arranged in a staggered manner.
8. The cutting fluid recovery and treatment device for the numerical control machine tool according to claim 7, wherein a rubber ring (18) is arranged at the circumference of the lifting filter plate (2), and the outer diameter of the rubber ring (18) is matched with the inner diameter of the barrel body (1).
9. The cutting fluid recovery and treatment device for the numerical control machine tool is characterized in that the outer wall of one end, close to the extension rod (13), of the dust hood (17) is connected with a cleaning brush (26) through a spring.
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| CN202010616953.6A CN111495031B (en) | 2020-07-01 | 2020-07-01 | Cutting fluid recovery processing device for digit control machine tool |
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| CN202010616953.6A CN111495031B (en) | 2020-07-01 | 2020-07-01 | Cutting fluid recovery processing device for digit control machine tool |
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| CN111495031B true CN111495031B (en) | 2020-09-25 |
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| CN112386933A (en) * | 2021-01-19 | 2021-02-23 | 潍坊惠米农业科技发展有限公司 | Distillation still with buffer function |
| CN112978824B (en) * | 2021-04-21 | 2021-08-31 | 天津太平洋制药有限公司 | Pharmaceutical wastewater treatment device |
| CN117023749B (en) * | 2023-10-09 | 2023-12-15 | 深圳市新唐聚业精密技术有限公司 | Rubber production wastewater processor |
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| CN210457567U (en) * | 2019-06-26 | 2020-05-05 | 滨海县渠南自来水有限公司 | Drinking water defluorination equipment |
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| US6383383B1 (en) * | 2001-06-21 | 2002-05-07 | Water Creations, Inc. | Combination cyclonic separator and multi-stage filter and pump |
| CN106237686A (en) * | 2016-07-30 | 2016-12-21 | 徐雪宜 | A kind of Cutting Liquid Wastewater effective filter |
| CN206625104U (en) * | 2017-01-07 | 2017-11-10 | 湖北省路桥集团有限公司 | Highway drainage device |
| CN207307311U (en) * | 2017-09-25 | 2018-05-04 | 陶程意 | A kind of hydraulic engineering filter |
| WO2019061526A1 (en) * | 2017-09-30 | 2019-04-04 | 徐俊峰 | Sewage-filtering device for preventing blocking up of filter screen |
| CN209957630U (en) * | 2019-04-26 | 2020-01-17 | 杭州恒发科技有限公司 | Sludge press filtration device for sewage treatment |
| CN210874332U (en) * | 2019-09-21 | 2020-06-30 | 陶小东 | Novel traditional chinese medical science internal medicine traditional chinese medicine filters device |
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| KR100645500B1 (en) * | 2005-05-27 | 2006-11-14 | 주식회사 한강엔지니어링 | Filtering apparatus for experiment |
| CN107963688A (en) * | 2017-12-20 | 2018-04-27 | 郑州艾莫弗信息技术有限公司 | A kind of effective aerating apparatus that flocculate can be cleared up |
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Effective date of registration: 20230329 Address after: 523000 Fuxing Luxin Ruyi Industrial Park, Xingguang Village, Huangjiang Town, Dongguan City, Guangdong Province Patentee after: Primula Machine Tool (Dongguan) Co.,Ltd. Address before: 264003 191 Binhai Middle Road, Laishan District, Yantai, Shandong Patentee before: SHANDONG INSTITUTE OF BUSINESS AND TECHNOLOGY |