introduction:The intermediate relay is a relay,It works the same way as an AC contactor,All are made of fixed iron cores、Moving core、spring、Moving contact、Stationary contact、coil、The wiring terminal and the housing are composed。Coil energizing,The moving core moves and closes under the action of electromagnetic force,Drive the moving contact action,Separate normally closed contacts,often...
2016-05-24 Reading quantity 273
introduction:Snap nut,The clip nut has a high strength thread fastening action,Place it into the pre-drilled square hole with a special tool,
2016-05-24 Reading quantity 259
introduction:Thermal relays generate heat from the current flowing into the heat element,Deformable bimetallic sheets with different expansion coefficients,When the deformation reaches a certain distance,Just push the linkage into action,Disconnect the control circuit,Thus, the contactor loses power,Main circuit off,Realize overload protection of motor。
2016-05-23 Reading quantity 251
introduction:The intermediate relay is a relay,It works the same way as an AC contactor,All are made of fixed iron cores、Moving core、spring、Moving contact、Stationary contact、coil、The wiring terminal and the housing are composed。Coil energizing,The moving core moves and closes under the action of electromagnetic force,Drive the moving contact action,Separate normally closed contacts,Normally open contact is closed;Coil outage,The moving core drives the moving contact to reset under the action of the spring。
2016-05-06 Reading quantity 212
introduction:The national standard specifications of nuts generally have diameters4mm、5mm、6mm、8mm、10mm、12mmEtc.,Ordinary outer hexagon nuts are widely used,It is characterized by large fastening force,The disadvantage is that there should be enough operating space to install,A adjustable wrench or open wrench can be used for installation,Or the wrench above the eyeglass wrench requires a lot of operating space。Woolen nut frictionless surface,Structure to prevent sparks,It is rarely used mechanically。Ordinary outer hexagon nuts are used for ordinary screws。
2016-05-05 Reading quantity 332
introduction:Scope This standard specifies lock nuts(Short nut)、Dimensions of the locking device、Technical requirement、Acceptance rules and measurement methods, etc。This standard applies to the design of nuts and locking devices for cone bushings、Give birth to、Inspection and user acceptance。
2016-05-04 Reading quantity 354
introduction:Parallel shaft helical gear reducer
2016-04-27 Reading quantity 228