2017 taizhou May 13, the 6th international machinery exhibition grand opening!

The exhibition

will be held on May 13 to 15, held in taizhou international expo center, exhibition by the Shanghai united news conference and exhibition service co., LTD., professional to undertake, the exhibition theme: mechanical and intelligence, planning content and exhibition display Settings are: CNC machine tools exhibition, mould manufacturing exhibition galleries, hardware mechanical and electrical, welding cutting exhibition, industrial automation and robot exhibition, etc., from home and abroad is expected there will be more than 300 machinery industry manufacturers, 500 standard booths, exhibition area of 12000 square meters,

taizhou city is located in the central core of jiangsu province, one of 16 Yangtze river delta center city, on the other side of the south and zhenjiang, changzhou, wuxi, nantong in the east, west, yangzhou, yancheng in north.Taizhou industrial solid economic foundation.More than 34000 all kinds of existing industrial enterprises, of which the enterprises above designated size 1083, formed by mechanical and electrical, chemical, textile, food, light industry, medicine, building materials, such as the main body of the pillar industries have produced chunlan group, the Yangtze river pharmaceutical group, ling light group, the Dan group, xingda cord, shipbuilding and so on one batch of new century sales reached 1 billion yuan, or $one hundred million enterprise profit tax.Taizhou has formed basic category is complete, has a certain scale and level of industry system.Ship manufacturing, auto parts, oil equipment, deceleration machine, CNC machine tools industry preliminary formation of agglomeration effect, vessels, forklifts, cranes, gasoline engine, diesel engine, reducer and a batch of fist products such as petroleum drill pipe, motor has high visibility and market share both at home and abroad.In taizhou door

as the only professional machinery and equipment exhibition, taizhou equipment manufacturing industry exposition has been successfully held five sessions, taizhou in 2017, and even in China only a feast to mechanical manufacturing, the exhibition held to reduce the purchase cost of taizhou machinery manufacturing enterprise overall, improve production technology, promote the transformation and upgrading, promote the exchange some important industry, in the state advocates & otherThroughout 2025 & made in China;And & otherMachine throughout substitution &;Under the background of & other;Taizhou manufacturing & throughout;To & other;Taizhou smart & throughout;Shift will inevitably produce a great force!

Inventory of nc machine tool spindle common fault and the solution

Spindle is referring to the machine drives the workpiece or tool axis of rotation.Machine tool spindle are usually made of the main shaft, bearing and transmission parts (gear or pulley), etc.There are mainly two kinds of high-speed spindle in the actual application:
& have spentKind of transmission of high speed motorized spindle is zero, this kind of main shaft by using the structure of the motor and spindle integration, and through the accurate dynamic balancing correction, so have good rotation accuracy and stability, but the output torque and power limit.
& have spentAnother kind is variable frequency spindle motor and mechanical transmission mechanism with the combination of the spindle.This type of spindle of the output torque and power far more, but relatively rotation accuracy and stability to almost, so for this type of spindle, how to properly design influence on the machining accuracy of machine tool spindle and its components are critical.
& have spentNc machine tool spindle common fault and the solution
& have spentA, with variable frequency spindle turn
& have spentThe cause of the problem and the processing method:
& have spent(1) caused by the failures of mechanical transmission: look for fracture belt drive whether or machine hung up the gap.
& have spent(2) the supply of the main shaft of the three-phase power supply lacks or reverse phase: check the power supply, switching of the two power cords.
& have spent(3) circuit connection error: refer to the circuit connecting the handbook, to ensure the correct attachment.
& have spent(4) the system has no corresponding spindle control signal output: the multimeter measurement system output signal, without the spindle control signal output, is the need to change IC components or send the relevant plant maintenance.
& have spent(5) system have corresponding spindle control signal output, but the power supply circuit and the control signal output circuit break or damage of components: the multimeter to check system between the spindle motor and power supply circuit, signal control circuit whether there is open circuit;Whether there is open circuit;The connection between the contact is bad contact;There is no damage to ac contactor, dc relay;Check thermal relay over-current;Check whether insurance tube burning, etc.
& have spentSecond, the spindle with frequency converter not turn
& have spentThe cause of the problem and the processing method:
& have spent(1) caused by the failures of mechanical transmission: look for fracture belt drive whether or machine hung up the gap.
& have spent(2) the supply of the main shaft of the three-phase power supply lacks: check the power supply, switching of the two power cords.
& have spent(3) numerical control system of inverter control parameters not open: consult system specification, variable frequency parameters and change.
& have spent(4) system and the inverter circuit connection error: refer to the attachment instruction system and converter, and ensure the correct attachment.
& have spent5 analog voltage output is not normal: use a multimeter to check the system output analog voltage is normal;Check the analog voltage signal wire connection is correct or poor contact, inverter receive analog voltage matches.
& have spent6 high-voltage electrical control part of the circuit or component damage: check the spindle power supply this line contact connection is reliable, line ever open circuit, dc relay is damaged, if insurance tube burn out.
& have spentCruelly inverter parameters set: frequency converter contains control mode selection, divided into the inverter control panel spindle way, way of NC system to control the main shaft, etc., if you don’t choose the NC system control mode, the spindle can’t use the system control, change the parameters;Check the related parameters setting is reasonable.
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3, without frequency conversion of the spindle (shift the spindle rotation speed is not controlled
& have spentThe cause of the problem processing method:
& have spent(1) the control signal output system without S01 – S04: look for gear shift control signal output system.If no, then the system failure, replace the IC or send for repair.
& have spent(2) the connection line fault: if the system has the shift control signal output, then check the connection line whether there is open circuit or poor contact, check whether dc relay or contactor is damaged.
& have spent(3) the spindle motor damage or short circuit: check the spindle motor.
& have spent(4) not mechanical shift: hang up yourself.
& have spentFour, spindle brake
& have spentThe cause of the problem processing method:
& have spent(1) abnormal braking circuit or high voltage components damage: check the bridge pile, fuse, ac contactor is damaged;Check whether high voltage circuit breakers.
& have spent(2) the braking time is not long enough, or the inverter braking time parameter adjustment system.
& have spentNo braking signal output (3) system: replacement of internal components or sent for repair.
& have spent(4) inverter control parameters set: refer to instruction manual frequency converter, inverter parameter set correctly.
& have spentFive, the spindle start immediately after stop
& have spentThe cause of the problem processing method
& have spentEnough time: (1) the system output pulse adjusting system of M code output time.
& have spent(2) the inverter in the running state: refer to the instruction for use of frequency converter, set up parameters.
& have spent(3) main line of control components damage: check circuit all touch the contacts are in good condition, check whether the dc relay contactor is damaged, contact not self-locking
& have spent(4) the spindle motor short circuit, causing thermal relay protection: investigate the cause of short circuit, to reset the thermal relay.
& have spent(5) the spindle control circuit without self-locking circuit, and the parameter is set to the pulse signal output, make the spindle will not operate properly, the system control spindle to control parameters instead of level control.
& have spentSix, the spindle rotation can’t stop
& have spentThe cause of the problem processing method:
& have spent(1) ac contactor or dc relay is damaged, and off for a long time, can’t control: the change of ac contactor or dc relay.
& have spent(the original title: all kinds of machine tool spindle fault solution! Learn to earn!) (source: to check the net)

“Numerical control generation of mechanical product innovation application demonstration project” project through the acceptance

Recently, & other;Five-year & throughout;National science and technology support plan advanced manufacturing and other major projects;Numerical control generation of mechanical product innovation application demonstration project & throughout;(hereinafter referred to as & other nc generation & throughout; engineering) weinan in shaanxi province by the ministry of science and technology experts acceptance of the organization.Acceptance of the expert group on-site assessment of the shaanxi weinan northerners printing machinery co., LTD and kordsa mechanical and electrical equipment co., LTD., two application demonstration enterprises, and watched the demonstration project results.The technical expert group for the project achieve and demonstrate the application effect gave high evaluation.
& have spent& other;CNC generation & throughout;Engineering is to make up for the traditional mechanical equipment digital board in our country, & other;Five-year & throughout;By ministry of science and technology jointly with the ministry of industry, Chinese academy of engineering and other relevant departments jointly organize the implementation.The project through advanced applicable promotion and application of numerical control technology and innovation, and help improve the level of mechanical equipment digitization, small and medium-sized enterprises to promote our country manufacturing industry shift towards digital, lay a foundation for informationalization and intelligentization.
& have spent& other;CNC generation & throughout;Construction in 16 provinces and cities and five industry, textile, printing, stone material, packaging, injection molding machine, etc.) to carry out the demonstration project, lead the transformation and upgrading of traditional manufacturing key industries, to support the economic development of manufacturing industry concentrated area, to the enterprise as the main body & other;Zheng industry-university-institute with gold & throughout;Collaborative innovation model has carried on the beneficial practice, and achieved significant results.The project has developed a special CNC system of machinery and more than 150 kinds of relevant features, and developed the nc industry sewing machine, environmental protection material drum gravure printing machine and other kinds of CNC machinery and equipment more than 200 kinds of, popularization and application of 220000 sets, built more than 70 demonstration numerical control production line, has trained more than 20000 person-times of professionals.
& have spentCurrently, ten several local provincial government made & otherCNC generation & throughout;Concrete implementation plan, more than 1 billion yuan of special at all levels of government investment funds invested in more than 5 billion yuan, financial and social capital investment more than 10 billion yuan, has realized the innovation demand from enterprise, mainly led by the enterprise to carry out innovation activities, innovation investment is given priority to with enterprise, innovation achievements applied in enterprises.At the same time, colleges and universities and research institutes play a lead and support the role of science and technology, market leading enterprises, the main body pattern got into full play.

& have spent& have spent(the original title: national science and technology support plan & other numerical control generation of mechanical product innovation application demonstration project & throughout; project through the acceptance) (source: China science and technology),

Sandvik coromant come up with a new material cutting blade

Cutting tools and tool system experts sandvik coromant launched two new cutting blade material.GC2220 specially used for the cutting of the stainless steel material, GC4335 under unstable conditions or vibration problems of steel cutting and optimization design of the two kinds of new material can provide higher efficiency and longer tool life and higher utilization rate of machine tools.
& have spentThe plastic deformation of the stainless steel cutting material GC2220
calmly & have spentCaption:
GC2220 is a gradient CVD coating sintering cemented carbide, designed to stabilize the working conditions require a higher wear resistance semi-finishing to rough turning and optimization.
& have spentIn response to common challenges related to the turning of stainless steel workpiece, GC2220 optimized design, can provide higher ability to resist plastic deformation and the higher the edge line of security.When the cutting tool materials become soft, can produce plastic deformation, this is due to cutting temperature is too high.If a manufacturer due to plastic deformation and frequent replacement blades, the production efficiency and profitability will be discounted.
& have spentGC2220 booster pump and valve manufacturers to build the main advantage of production workshop, and will provide services in the aerospace, automotive and oil and gas in areas such as general machinery manufacturers provide great help.
& have spentGC2220 is a gradient CVD coating sintering cemented carbide, designed to stabilize the working conditions require a higher wear resistance semi-finishing to rough turning and optimization.Sandvik coromant Inveio™Coating layer to effectively control the alumina grain growth in one direction, thus providing a higher wear resistance and longer tool life.This advanced patent technology have hard and wear resistant of columnar MT – TiCN coating internal support.As additional advantages of longer tool life, production workshop also can reduce the cutting tool inventory.
& have spentOf austenitic stainless steel and duplex stainless steel parts (such as a pump body, shaft, shaft, seal, valve and flange) and\/or the cylindrical inner hole turning operation of manufacturers will benefit from this new material..Practice has proved GC2220 in processing other materials including martensitic stainless steel and low carbon steel also has the advantage.
& have spent& other;We suggest that according to the results of the practice, the customer should choose as far as possible big nose radius and always use a coolant to reduce the crater wear, groove wear and plastic deformation, & throughout;Sandvik coromant turning product manager Bimal Mazumdar, said & other;In addition, please be sure to choose special blade material for stainless steel application, in order to improve the tool life and the production efficiency.Throughout the &;
& have spentGC2220 also applied to CoroTurn®107 blade, designed for small or slender workpiece inner hole and cylindrical turning, CoroTurn®TR for cylindrical profiling, T – Max®P for ordinary cutting applications.
& have spentUsed for unstable conditions of steel cutting blade material GC4335
& have spentCaption:
sandvik coromant brand new GC4335 blade material specially designed for challenging the turning process of
& have spentGC4335 adopted can achieve maximum thermal protection Inveio™Coating technology, compared with the last generation material, through improved line security provides greater steel cutting blade endurance, and greater resistance to the blade wear, plastic deformation and crater wear ability.Customers will benefit from the improved process, at the same time, also can reduce the risk of broken blade, reduce the cost and shorten the individual parts return on investment of time.
& have spentTurning the product manager Bimal Mazumdar, explains & other;New GC4335 especially suitable for uneven satin, due to fatigue and failure, may result in frequent change when performing a turning knife & throughout;.& other;Slow down the process to replace the broken blade means lower productivity.When slowing down of production, each parts machining cycle will be less, thus affecting the overall profitability.Throughout the &;
& have spentGC4335 launch will make including mechanical engineering, automotive OEM workshop and suppliers and subcontractors to benefit in the field of oil and gas.Typical parts including pipe, valve, crankshaft, differential shell, flanges and ring, to name a few.
& have spentIncluded in the deep reason behind GC4335 reliable toughness and resistance to plastic deformation ability realize perfect balance between the new substrate.In addition, as a new alumina thermal barrier coating can effectively transfer the heat of cutting area, and columnar MT – TiCN internal coating can also provide improved anti-wear material wear ability.After help to easily identify the wear yellow TiN coating on the surface of the knife.
& have spentIn order to highlight the potential benefits and the working condition of dry cutting saws GC4335 external face turning application is superior to the steel alloy (220 HB) competition in the blade, the former can deliver 3647 finished parts, while the latter is only 1980 (84%).The finishing process of cutting time for each part 2 seconds, the cutting speed of 145 m\/min (475 ft\/min), the feed rate is 0.4 mm\/rev (0.016 in\/rev), cutting depth of 0.35 mm (0.014 in).Equally significant benefits can also be by sandvik coromant on generation of the blade material GC4235 implementation.
& have spentGC4335 product category can be divided into T – Max®P and q CoroTurn®107.
& have spent(the original title: sandvik coromant launch new material cutting blade (chart)) (source: China machinery industry federation machine through the network),

Broaching machine lubrication work need each user attention

Unlike other machine, broaching machine, another structure characteristics is stiffness big, this is in order to match the accuracy control of the control system, in order to adapt to the high precision machining.Compared with the traditional broaching machine, CNC broaching machine generally using embedded steel rail, so keep broaching machine precision time is long, its service life can be extended.
& have spentAs a result of the numerical control broaching machine price is higher, the control system of long service life, so the slide guide of nc broaching machine also requires good abrasion resistance.Vertical broaching machine said due to nc broaching machine tool slide two directions respectively driven by two sets of servo motor, so its transmission chain is short.There is no need to use these wheels, light poles and other transmission parts, use servo motor directly with screw connection drive head movement.Servo motor can also use synchronous belt between screw vice or the gear coupling.CNC broaching machine tool carriage moving ball screw pair adopted in general.Ball screw pair is one of the key mechanical parts CNC broaching machine, ball screw installed on both ends of the rolling bearing is special uranium bearing, its pressure Angle is larger than that of common angular contact ball bearing car is much this kind of special bearing matching installation, is selected, the best is in pairs in the bearing factory.To drag the deft, nc broaching machine lubrication are full, most of them adopt automatic lubricating oil mist.Nc broaching machine has cooled sufficiently, protective more tightly wait for a characteristic, automatic operation is generally in the closed or semi-closed state.
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& have spentWithin

CNC spiral vertical broaching machine & have spentBroaching machine is through the broach types of machine tools for processing, it is mainly used for machining hole, plane and formed surfaces, so in practice, used to broach is each user should be aware of, this will directly affect the normal use at a later stage of broaching machine, small make up next for you first make a brief introduction about broaching machine part of the broach and the function of each part, broaching machine broach is mainly composed of two parts, respectively is: work and non-work part.
& have spent1, work part
& have spentCutting parts: 1) cutting part there are a lot of blade, cutting effect.Blade diameter increases by teeth, use it to remove all the machining allowance.
& have spentPart 2) calibration: calibration on the part of cutter tooth correction effect.The number of teeth is less, the tooth is the same diameter.
& have spentPart 2, non-working
& have spent1) handle department: clamping broach, the transmission power.
& have spent2) neck: connection part of the neck and behind each part, and the diameter of the handle of the same or slightly smaller in diameter.Broach material, size, and other general mark played in the neck.
& have spent3) transition cone: the transition between the part of the neck was leading the field, on the center.
& have spent4) leading department: cutting department before entering the workpiece, the guiding role, preventing broach askew, and can check whether pull before the workpiece aperture is too small, so as to avoid the first cutter tooth broach burden is too heavy and damaged.
& have spent5) after the lead department: keep the broach the correct position, preventing broach was leaving artifacts, drooping artifacts and damage already processing surface and blade.
& have spent6) after supporting department: for long and heavy broach, still need to do a tail in the leading department behind (the department), the diameter D tail depending on the size of broaching machine bracket, tail length l = (0.5 0.7) D the tail.But not less than 20 mm general requirements.
& have spent(the original title: broaching machine lubrication work can not be ignored), (source: changsha, intelligent equipment co., LTD.),