phytron LSS 26, Manual

Page 1: ...Extreme Precision Positioning Manual 1203 A010 EN How to Handle In Vacuum Stepper Motors Cryo Motors ...

Page 2: ...phytron 4 2019 Manual 1203 A010 EN How to Handle In Vacuum Stepper Motors and Cryo Stepper Motors ...

Page 3: ...ccuracy of this technical manual All infor mation contained in this manual is correct to the best of our knowledge and belief but cannot be guaranteed Furthermore we reserve the right to make improvements and enhancements to the manual and or the devices described herein without prior notification We appreciate suggestions and criticisms for further improvement Please send your comments to the fol...

Page 4: ...Motor Selection 13 4 2 Use limitation 14 5 Mounting 15 6 Electrical Connection 16 6 1 Maximum Allowable Phase Current 17 6 2 Leads 18 6 2 1 Marking of the Leads 18 6 2 2 Connecting the Leads 19 6 3 Direction of Rotation 20 7 Temperature Measuring Motors with Temperature Sensor 21 7 1 Type K Thermal Element 21 7 2 Pt100 Resistor Sensor 22 8 Conditioning In Vacuum Stepper Motors 24 8 1 Overview 24 8...

Page 5: ...rom electric shock Indicates a high risk of serious injury or death from electric shock WARNING Serious injury pos sible Indicates a possible risk of serious injury or death WARNING Serious injury from electric shock Indicates a possible risk of serious injury or death from electric shock CAUTION Possi ble injury Indicates a possible risk of personal in jury i CAUTION Possi ble damage Indicates a ...

Page 6: ...installation and operation of systems may only be performed by qualified and trained personnel These persons should be able to recognize and handle risks emerg ing from electrical mechanical or electronic system parts The qualified personnel must know the content of this manual and be able to understand all documents belonging to the product Safe ty instructions are to be provided The trained pers...

Page 7: ...ly attached parts This can result in injury Make sure that before operation all moving parts are fixed WARNING Injury from the rotating shaft Hair clothes and jewellery can be wound up and trapped by the rotating motor shaft Before starting to wire make sure that clothing and jewellery are tight and hair cannot be captured WARNING Injury from conversion into a translational motion If the rotation ...

Page 8: ...ing instruction i CAUTION Possible damage The stepper motor s rotor is strongly magnetic Metal or soft iron particles penetrating through the large outgassing holes might damage motor func tion Metal particles must be kept away from the motor i CAUTION Possible damage Foreign substances dirt or humidity penetrating through the outgassing holes could seriously damage motor function or cause breakdo...

Page 9: ... motor that was as sembled improperly danger to life could be caused by electric shock The customer must not carry out mechanical or electrical modifica tions of the motor The warranty does not apply if the motor is mod ified by the customer without the manufacturer s permission 1 4 European Standards and CE Mark When installed appropriately VSS in vacuum and Cryo stepper motors fulfil the require...

Page 10: ...packaging several precautions must be observed section 3 to maintain the defined stepper motor s specifications and functionality Outgassing hole Engraved serial number Fig 1 In vacuum or Cryo stepper motor rear view i The two most important rules for handling in vacuum and Cryo step per motors Do not touch the stepper motor with bare hands Take care that no particles or moisture can get inside th...

Page 11: ... cardboard box with moulded foam and bubble wrap Fig 2 Transportation package 3 2 Outer Package The outer package is a gas tight evacuated foil package with the rating plate fixed A pair of safety gloves a desiccant bag and the stepper motor are shrink wrapped in the outer package Fig 3 Outer packaging with rating plate i Outer package Before opening the outer package Clean the outer package with ...

Page 12: ...in vacuum or Cryo stepper motor with bare hands Wearing safety gloves helps to keep away finger sweat and oil residues from the stepper motor Such residues cannot be completely removed with IPA and may need the motor to be returned to Phytron for cleaning Before opening the protective film Put on some safety gloves After removing from the foil packaging the stepper motor has to be stored in a clea...

Page 13: ...the stepper mo tor Keep the rating plate In vacuum stepper motors are only minimally marked a serial number is engraved Therefore we recommend to remove the rat ing plate from the outer packaging and to stick it on the service documents or in the field below Remove the rating plate from the package and stick it here Rated current See explanations in section 6 1 ...

Page 14: ...onfiguration and Use Limitation 4 1 Motor Selection Our sales team will assist you with the configuration The following scheme will help you select the suitable motor Fig 5 Selection of the motor size resolution duty cycle dynamics ...

Page 15: ...x and 1 2 IN in vacuum Short term operation with higher current Ion is possible depending on the duty cycle ratio ton to toff applies to speed 400 rev min IN nominal motor current Ion IN overcurrent How long may last the switch on time ton How long may last the stop tof What is the maximum current during the Ion switch on phase condition Ion 1 3 xIN and ton 10s ...

Page 16: ...tgassing holes in to motor or gearing When handling stepper motors with outgassing holes the envi ronment should be kept very clean Penetrating foreign substanc es dirt or humidity could seriously damage motor function or cause breakdown Keep away metal particles from the motor In vacuum or Cryo stepper motors should only be handled in a very clean environment i CAUTION Possible damage When flangi...

Page 17: ... Electrical Connection Phytron in vacuum and Cryo stepper motors are 2 phase stepper motors The windings can be connected differently Standard is 4 leads wiring with parallel connected windings for bipolar control mode Fig 6 Connection schemes for Phytron stepper motors ...

Page 18: ...he cable cross section for the connection leads should be selected according to the cable length Please follow the advice in the stepper motor power stage manual 6 1 Maximum Allowable Phase Current The motor rating plate has the rated phase current A as the last digits of the motor s type number Example VSS 32 200 1 2 Motor type VSS 32 200 steps rev 1 2 A rated current The rated current is the max...

Page 19: ...V stepper motors The PTFE tubes can remain on the wires if the motor is only oper ated in the temperature range up to 200 C or 104 rad radiation When temperature or radiation is higher the tubes have to be re moved Before mounting the motor Do not remove the PTFE tubes The wires can only be identified by their markings Connecting the wires Only remove the PTFE tube from the wire being connected Be...

Page 20: ...inals are not shielded and therefore should be as short as possible The leads of one motor phase see Fig 6 should be twisted pairs e g A and B C and D 4 lead motor The wires must not be stressed Provide strain relief when twist ing shortening or stripping the motor leads The motor s strain relief needs additional security when modifying the wires ...

Page 21: ...haft of size 19 to 32 Phytron stepper motors turns counter clockwise if viewed from the front DIN 42 401 part 1 The motors of size 42 and above turn clockwise The motor direction can be reversed by exchanging the connections of one single motor phase e g exchange lead A and B at the control unit connector ...

Page 22: ...ase is powered at any one time 7 1 Type K Thermal Element With VSS in vacuum and Cryo stepper motors Type K NiCr Ni thermal elements in the temperature range from 270 to 1370 C accuracy class 1 are used Type K is a metal thermal element with nickel based alloy conductors Temperature rang es accuracy and characteristics of thermal elements for industrial use are defined in the IEC 584 standard temp...

Page 23: ...at is mounted and supported inside a cylindrical ceramic case Rated resistance at 0 C R0 100 0 04 Resistance at 100 C R100 138 5 0 1 The resistance values for other temperatures can be found in the fundamental value tables for Pt100 resistance sensors Accuracy class T 1 3 of class B acc to DIN EN 60751 In accuracy class T the valid scope is reduced to 70 to 250 C For temperatures below 70 C class ...

Page 24: ...ndent meas uring of the wire resistance The leads are insulated with Kapton foil and marked with PTFE tubes see picture below Before placing the motor into operation in UHV vacuum the PTFE tubes should be removed see section 6 2 Fig 9 Pt100 connection to a control unit with temperature monitoring module ...

Page 25: ...pow er of outgassing rate 8 2 Baking Out Option Alternatively to first outgassing HV stepper motors can be baked out in dry nitrogen before placing into operation The stepper motor is externally heated up to the maximum rated temperature This Baking Out is recommended as an option for Phytron HV stepper motors 8 3 First Outgassing Standard A First Outgassing is performed in vacuum environment at 1...

Page 26: ... for up to 2 years in the original foil package UHV stepper motor at least 5 years without influence to func tion or specified characteristics The storing temperature should be between 5 and 50 C After removing the foil package the stepper motor must only be kept in a clean box clean room or closed container ...

Page 27: ... 106 yes yes 1 0 1 UHV G grease lubrication 10 11 20 300 106 yes yes 1 0 1 Ultra high vacu um Cryo UHV C1 10 11 200 40 106 yes 1 0 1 UHV C2 10 11 270 40 106 yes 1 0 1 10 2Design Voltage Motor Size Design Voltage Remarks 19 57 70 VDC Operation with SELV type supplies 80 126 120 VDC Operation with safe double separation to mains 10 3Test Voltage Motor Size Housing Motor Winding Housing Temperature S...

Page 28: ...phytron MA 1203 A010 EN 27 11 Declaration of Incorporation ...

Page 29: ...Phytron GmbH Industriestraße 12 82194 Gröbenzell T 49 8142 503 0 F 49 8142 503 190 www phytron eu ...