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introduction： Direct drive rotary motor(Direct-drive rotary motors，DDR)，Sometimes referred to as torque motors，Can produce high torque at relatively low speeds。 DDRMotor including rotor、Stator and feedback equipment，It has no intermediate shaft，but，Connect the load directly inDDRAbove trochanter。The rotor has a through hole，The general diameter is50 mm，Allow the tube and coil to pass through the middle，And has an independent bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）Is in the mechanical transmission process
2015-04-28 Reading quantity 2965
introduction：Check the bearing regularly[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Sealing and maintaining bearings in optimum condition is an important job。The most advantageous inspection time is scheduled during regular downtime inspection periods，Prior planning and knowledge of bearing information and bearing drawings are usually helpful in inspection work。 The importance of clean shafts： bao
2015-04-28 Reading quantity 1517
introduction：If too much dust builds up in the tank，It will cause the speed of the guide rail to decrease，It may even reduce its lifespan。therefore，After learning，Dust prevention should be done regularly！
2015-04-28 Reading quantity 31701
introduction：1.Definition of the parting surface Parting surface refers to the separable contact surface on which the product is removed from the mold and the aggregate of the pouring system is separated。A die may have one or more parting surfaces as needed，The parting surface may be perpendicular to the closing direction，It can also be parallel or inclined to the closing direction。 2.Form of parting surface Judging from the number of parting surfaces，There is a single parting surface，Double parting surface，Multiple die parting surfaces。 Judging from the shape of the parting surface，plane，bevel，Stepped surface，And a surface。(As shown below） 1.Consider the quality of the product (a).Ensure product dimensional accuracy For products with coaxiality requirements
2015-04-28 Reading quantity 2860
introduction： forge On metal billet(Plate free)Apply external force，Cause plastic deformation、resize、Shape and improved performance,Used to make machine parts、workpiece、Method of forming a tool or blank。Types and characteristics of forging When the temperature exceeds300-400℃(Blue brittle zone of steel)，achieve700-800℃when，Deformation resistance will be sharply reduced，Deformation energy is also greatly improved。According to forging performed in different temperature zones，For forging quality and forging process requirements are different，Can be divided into cold forging、Warm forging、Hot forging three forming temperature zones。Original here
2015-04-28 Reading quantity 2855
introduction：We all know about bearings[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]Not replaced in the long run，Even rolling without maintenance will make some abnormal noises，Lets look at why this happens and how to solve it。 Bearing raceway noise，The sound is due to the self-aligning roller bearings when the roller bearings rotate the raceway at the corner of the roll，Stimulation is smooth and continuous
2015-04-27 Reading quantity 1484
introduction：Crank shaft An axis that converts linear reciprocating motion into rotating motion。In a reciprocating piston engine﹐A piston that receives power and moves in reciprocating motion﹐The crankshaft is rotated by means of a connecting rod to output power。In reciprocating air compressors and pumps﹐The rotating main shaft of the power engine drives the piston to reciprocate in a straight line through the crankshaft and connecting rod。Crankshaft by spindle neck﹑Crank pin﹑The crank arm and shaft body are composed of parts(See picture Crankshaft diagram )。The spindle neck is in a bearing fixed to the frame[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is fixed and reduced during mechanical transmission
2015-04-27 Reading quantity 2821
introduction： Facing continued warmingLEDCorporate mall competition，2013LEDindustry：Price warorValue war？Quality、Standard、The price makes the profession“Various diseases abound”，Whether the introduction of standards is beneficial to clear the sourceLEDLighting occupational health development？National local government financial support is introducedLEDLighting career development into the heart，So aboutLEDCompany development，This is a chance or a response？《Semiconductor lighting energy saving industrial plan》Come on，2013LEDHow do companies open and seize malls？ 2013ChinaLEDIndustrial capacity and price speculation Thousands of homes to see lighting：
2015-04-27 Reading quantity 2862
introduction：one：System introduction The emergence of wireless network technology has brought new ideas to peoples life。Ever since1997yearsWirelessLAN（IEEE802.11）Since the establishment of standard，Wireless networks are known for their lack of cabling、Strong flexibility and other advantages quickly won the recognition of the market。Now its about every day25Ten thousand people become new wireless customers，cutoff2002years，The number of wireless subscribers worldwide has exceeded2Hundred million。 If wired network monitoring is used，Not only in the construction of monitoring system wiring is more troublesome，At the time of demolition, it also brings a huge workload to the user。And the wireless surveillance system
2015-04-27 Reading quantity 2918
introduction： SIB…S、SAB…SType rod end joint bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The structure type and overall dimensions JK
2015-04-27 Reading quantity 1481
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