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Summary of Contents for phytron LSS 26
- Page 1 In-Vacuum Stepper Motors Cryo Motors How to Handle Manual 1203-A010 EN Extreme. Precision. Positioning.
- Page 2 How to Handle In-Vacuum Stepper Motors and Cryo Stepper Motors 4/2019 Manual 1203-A010 EN...
- Page 3 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 following E-mail address: doku@phytron.de MA 1203-A010 EN...
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Page 4: Table Of Contents
Contents 1 Legal Information .......................... 4 1.1 Qualified personnel ......................... 5 1.2 Safety Instructions ........................6 1.3 Handling instruction ........................ 7 1.4 European Standards and CE Mark ..................8 2 In-Vacuum Stepper Motors and Cryo Stepper Motors ..............9 2.1 Heating in Vacuum Environment ..................... -
Page 5: Legal Information
How to Handle In-Vacuum and Cryo Stepper Motors 1 Legal Information This manual: Read this manual very carefully before mounting, installing and operating the device and if necessary further manuals related to this product. Please pay special attention to instructions that are marked as follows: DANGER –... -
Page 6: Qualified Personnel
1.1 Qualified personnel Observe the following safety instructions! WARNING – Serious injury possible! Serious personal injury or serious damage to the machine and drives could be caused by insufficiently trained personnel! Without proper training and qualifications, damage to devices and injury... -
Page 7: Safety Instructions
How to Handle In-Vacuum and Cryo Stepper Motors 1.2 Safety Instructions Intended use: The In-Vacuum and Cryo stepper motors are designed for operating in an in-vacuum drive system. An installation is allowed only if the requirements of the EC Ma- chinery and EMC Directives are conformed with. -
Page 8: Handling Instruction
WARNING – Injury from touching the housing! Stepper motors heat up during operation. The surface of the motor can be heated over +100 °C. The motor must be mounted in such way that proper dissipation of the generated heat is ensured. -
Page 9: European Standards And Ce Mark
Comply with EMC conform wiring (chapter 6.2.2). Do not open the stepper motor! If the casing is opened, the motor may be damaged. Phytron's warranty does not apply if motors are opened by the customer. When operating a motor that was as- sembled improperly, danger to life could be caused by electric shock. -
Page 10: In-Vacuum Stepper Motors And Cryo Stepper Motors
In-Vacuum Stepper Motors and Cryo Stepper Motors Phytron VSS stepper motors for in-vacuum and Cryo applications are precision drives with protection class IP20. According to the vacuum class, the motors are designed for different temperature, pressure and radiation ranges, see section 10.1. Cryo stepper motors are ultra high vacuum stepper motors for operation e.g. -
Page 11: Package
How to Handle In-Vacuum and Cryo Stepper Motors 3 Package A special 3-stage package – transport package, outer package and protective film keeps the in-vacuum and Cryo stepper motors from contamination, moisture and mechanical damage. 3.1 Transportation Package The transportation package is a cardboard box with moulded foam and bubble wrap. Fig. -
Page 12: Protective Film
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. -
Page 13: Rating Plate
How to Handle In-Vacuum and Cryo Stepper Motors 3.4 Rating Plate Rating plate On the rating plate, you will find important information about the stepper mo- tor. Keep the rating plate! In-vacuum stepper motors are only minimally marked (a serial number is engraved). -
Page 14: Configuration And Use Limitation
4 Configuration 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) MA 1203-A010 EN... -
Page 15: Use Limitation
How to Handle In-Vacuum and Cryo Stepper Motors 4.2 Use limitation Derating formulas: Continuous operation without overheating at 400 rev/min max. and 1/2*I in vacuum. Short-term operation with higher current (I ) is possible depending on the duty cycle (ratio to t applies to speed <= 400 rev./min;... -
Page 16: Mounting
5 Mounting CAUTION – Possible injury! Power down the installation area or the stepper motor control unit. CAUTION – Possible damage! The stepper motor's rotor is strongly magnetic. Foreign substances, which penetrate through the outgassing holes, could decrease motor function. -
Page 17: Electrical Connection
How to Handle In-Vacuum and Cryo Stepper Motors 6 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: Maximum Allowable Phase Current
Therefore, the maximum allowable phase currents are determined by the con- nection mode. At half-step or mini-step operation of the control unit, the rated current is the r.m.s value. The current tables in Phytron's power stage manuals show r.m.s. values. MA 1203-A010 EN... -
Page 19: Leads
How to Handle In-Vacuum and Cryo Stepper Motors 6.2 Leads 6.2.1 Marking of the Leads HV (high vacuum) and UHV (ultra high vacuum) stepper motor wires are the same colour and are identified by coloured PTFE tubes: Fig. 7 : Marking of the wires by coloured PTFE tubes In case of motors with built-in type K thermal elements, the minus pole is magnetic. -
Page 20: Connecting The Leads
6.2.2 Connecting the Leads CAUTION – Possible damage! The leads of the motor: The leads from stepper motor to control terminals 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. -
Page 21: Direction Of Rotation
How to Handle In-Vacuum and Cryo Stepper Motors 6.3 Direction of Rotation The drive shaft 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. -
Page 22: Temperature Measuring (Motors With Temperature Sensor)
To avoid damages, use a motor with built-in temperature sensor. Phytron VSS stepper motors are available with type K thermal elements or type Pt100 re- sistor sensors. The insulated temperature sensor is integrated in the motor windings. The response time is very short, compared to temperature sensors mounted outside the motor housing. -
Page 23: Pt100 Resistor Sensor
How to Handle In-Vacuum and Cryo Stepper Motors Fig. 8 : Type K thermal element characteristic curve 7.2 Pt100 Resistor Sensor Pt100 resistor sensors are used with VSS in-vacuum and Cryo stepper motors in the tem- perature range –200 to +300 °C. These precise sensors are used in extreme industrial and laboratory conditions. - Page 24 The platinum sensors are connected with four leads in order to enable independent 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.
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Page 25: Conditioning In-Vacuum Stepper Motors
A First Outgassing is performed in vacuum environment at 10 mbar pressure with all UHV stepper motors (not UHVC) by Phytron. The phase current is varied to hold the wind- ing temperature at 200 °C for 24 hours. For the other vacuum motor types, First Outgassing is an order option. -
Page 26: Storage
9 Storage Depending on the ball bearing lubricant, HV stepper motors can be stored 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. -
Page 27: Technical Data
How to Handle In-Vacuum and Cryo Stepper Motors 10 Technical Data 10.1 Vacuum Classes CVCM –20 ...+200 – – – High vacuum HV option Ultra high vacu- UHV-S (solid –20 ... +200 lubrication) < 1 < 0.1 UHV-G (grease –20 ... +300 <... -
Page 28: Declaration Of Incorporation
11 Declaration of Incorporation MA 1203-A010 EN... - Page 29 Phytron GmbH Industriestraße 12 – 82194 Gröbenzell T+49-8142-503-0 F +49-8142-503-190 www.phytron.eu...
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