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Title: Results of Accelerated Life Testing of LCLS-II Cavity Tuner Motor

Abstract

An Accelerated Life Test (ALT) of the Phytron stepper motor used in the LCLS-II cavity tuner has been conducted at JLab. Since the motor will reside inside the cryomodule, any failure would lead to a very costly and arduous repair. As such, the motor was tested for the equivalent of 30 lifetimes before being approved for use in the production cryomodules. The 9-cell LCLS-II cavity is simulated by disc springs with an equivalent spring constant. Plots of the motor position vs. tuner position ' measured via an installed linear variable differential transformer (LVDT) ' are used to measure motor motion. The titanium spindle was inspected for loss of lubrication. The motor passed the ALT, and is set to be installed in the LCLS-II cryomodules.

Authors:
 [1];  [1];  [2]
  1. Jefferson Lab
  2. Fermilab
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1457164
Report Number(s):
JLAB-ACC-17-2564; FERMILAB-CONF-17-674-TD
1669427
DOE Contract Number:
AC02-07CH11359
Resource Type:
Conference
Resource Relation:
Conference: 18th International Conference on RF Superconductivity, Lanzhou, China, 07/17-07/21/2017
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS

Citation Formats

Huque, Naeem, Daly, Edward, and Pischalnikov, Yuriy. Results of Accelerated Life Testing of LCLS-II Cavity Tuner Motor. United States: N. p., 2018. Web. doi:10.18429/JACoW-SRF2017-MOPB110.
Huque, Naeem, Daly, Edward, & Pischalnikov, Yuriy. Results of Accelerated Life Testing of LCLS-II Cavity Tuner Motor. United States. doi:10.18429/JACoW-SRF2017-MOPB110.
Huque, Naeem, Daly, Edward, and Pischalnikov, Yuriy. Mon . "Results of Accelerated Life Testing of LCLS-II Cavity Tuner Motor". United States. doi:10.18429/JACoW-SRF2017-MOPB110. https://www.osti.gov/servlets/purl/1457164.
@article{osti_1457164,
title = {Results of Accelerated Life Testing of LCLS-II Cavity Tuner Motor},
author = {Huque, Naeem and Daly, Edward and Pischalnikov, Yuriy},
abstractNote = {An Accelerated Life Test (ALT) of the Phytron stepper motor used in the LCLS-II cavity tuner has been conducted at JLab. Since the motor will reside inside the cryomodule, any failure would lead to a very costly and arduous repair. As such, the motor was tested for the equivalent of 30 lifetimes before being approved for use in the production cryomodules. The 9-cell LCLS-II cavity is simulated by disc springs with an equivalent spring constant. Plots of the motor position vs. tuner position ' measured via an installed linear variable differential transformer (LVDT) ' are used to measure motor motion. The titanium spindle was inspected for loss of lubrication. The motor passed the ALT, and is set to be installed in the LCLS-II cryomodules.},
doi = {10.18429/JACoW-SRF2017-MOPB110},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2018},
month = {Mon Jan 01 00:00:00 EST 2018}
}

Conference:
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