Past Project Photo Gallery - Meyer Tool & Mfg.

Photos of the Month

Stainless steel ultra-high vacuum chamber. Welded construction. Use in beam line of accelerator light source.

Stainless steel welded construction ultra-high vacuum chambers with unique rectangular sections.

Stainless steel welded construction, electropolished vacuum chamber lid for semiconductor process equipment application.

Stainless steel welded custom designed ultra-high vacuum chamber with quartz view port and electrical feedthru.

Stainless steel welded construction ultra-high vacuum vessels with multiple rectangular sections.

Stainless steel welded construction, custom vacuum/pressure chamber.

Future candidates for orbital welding process these identical spools were all welded with a Manual GTAW (Gas Tunsten Arc Process), cold shocked, helium leak tested and randomly radiographed, 5% of welds

While welded with a manual GTAW process these cryogenic spools are excellent candidates for Meyer Tool's new orbital welder.

These weldments are have too complex a configuration to be fabricated in an orbital welder. They are much better suited to the manual GTAW process used to manufacture them.

Copper Heat Sink for temperature sensor brazed to stainless steel pipe using a torch brazing process and silver braze filler.

Copper Thermal Shield utilizes copper cooling tubing transitions to stainless steel flex hose and fittings for connection to cryogen supply.

The high thermal conductivity of C101 OFHC copper make it the ideal heat transfer medium. This plate is mechanically attached to a n aluminum cryogenic reservoir within a vacuum chamber. Infrared optics are mounted on it and kept at cryogenic operating temperatures.

Copper to copper joints in cryogenic heat station straps can be fabricated using a copper phosphorus braze filler heated with a welding torch. The process is very similar to GTAW welding.

Cryogen transfer lines are often 'heat stationed' to reduce heat leak to ambient temperatures. The joints between the stainless steel piping and copper heat transfer components must be robust and withstand multiple thermal cycles. Cold shocking the joints is a test method often employed to test the joints.

Measuring temperatures at liquid helium levels, near absolute zero can be challenging. Special sensors and rigorous installation methods are required.

Welding of multiple bellows assemblies for a cryogenic control valve assembly. Weld procedure is for austenitic stainless steel at cryogenic temperatures. Assemblies are liquid nitrogen cold shocked, helium leak tested and pneumatically pressure tested.

Liquid Helium Liquid Level Sensors used in the Linear Coherent Light Source, consist of welded stainless steel housings with G10 and level sensor assemblies located inside the housings.

Stainless Steel Reactor Vessel with stainless steel trace tubing welded to outer diameter of vessel cylindrical shell. The heavy wall reactor vessel is welded for high pressure use with the exterior water cooled lines maintaining the cylinder wall temperature during the reaction.

Custom copper thermal radiation shield with copper trace tubing to cool the shield using liquid nitrogen. TIG brazed construction.

Fabrication of cryogenic distribution can for an accelerator cryomodule cryogen distribution system. The piping shown being build from a 'top plate' fixture with heat exchanger, check valve, control valve, and relief piping all multilayer insulation wrapped.

Large diameter custom pressure piping spools. Material is duplex stainless steel with 100% x-rayed full penetration girth welds.

Custom stainless steel reactor vessels with precision machined surfaces. Vessel machined from a single forged piece.

A precision hollow copper tuning rod for a DOE National Lab experiment. The copper pipe and end caps were precision machined, copper TIG welded together then post-weld machined. This image shows the rod getting post-machined in our 4-axis CNC horizontal mill.

Finish machining on a custom stainless steel flange can leave beautiful patterns on the surface. Meyer Tool's machinists have experience manufacturing to tight tolerances and strict surface finish requirements for ASME Section VIII and Section IX pressure and vacuum sealing surfaces.

Precision drilled, bored, turned, heat treated and polished OFHC copper tubes are used for tightly calibrated experiments. Meyer Tool has manufactured and inspected production runs of these dead soft high copper tubes to very tight straightness, runout, surface finish and dimensional tolerances.

Many complex precision machined parts require turning and milling to manufacture key tolerances on complex features. This precision machined plate was turned and CNC milled to final dimensions.

Vacuum flanges often require custom features to function properly for an experiment or ASME code vacuum process vessel. The welded stainless steel UHV vacuum flanges pictured here were machined, welded and post-weld machined to create complex internal features.

Past Projects Photo Gallery

Meyer Tool shipped this liquid helium cold box to Fermilab in 2019. When every project is different, everything needs a different shipping strategy. When we shipped this cryogenic coldbox for Fermilab, all of the vacuum and cryogenic flanges had to be sealed and protected for freight shipping. We hired rigging contractors to move it carefully from our shop to a flatbed for same-day delivery to Fermilab in Batavia, IL!

This monstrous vacuum chamber houses the cryomodule for the ATLAS Intensity Upgrade at Argonne National Lab. When the strength of the walls isn’t enough to stop a vacuum vessel from collapsing, it’s time to design with stiffeners! Designing and fabricating stiffeners for vacuum vessels has been part of Meyer Tool's specialty for over 50 years.

We built this custom large vacuum vessel a few years ago for physics researchers at Princeton University. Large or small, Meyer Tool has been working at the cutting edge of vacuum technology for over 50 years!

Large vacuum vessels can be used for processing and transporting samples. Meyer Tool manufactured this large, multi-part custom stainless steel vacuum vessel for a DOE National Lab. The UHV vacuum chamber was designed for processing samples in ultra-high vacuum then transporting them to a separate facility for analysis.

This is one of several liquid helium distribution cold boxes that Meyer Tool built. In this picture it's being installed in its place in the LHC tunnel and getting ready to connect to the rest of the cryogenic system. Thank you to CERN media for the image.

These cryogenic vacuum vessel and electrical feedthrough assemblies are now part of the LHC experiment at CERN. Some of the jobs that come through Meyer Tool are simple and quick. Others are extremely complex and take years to fabricate from beginning to end. Managing the subassemblies in the meantime requires a quality system that keeps track of every part and assembly, every step of the way.

Throwback Thursday Posts

#Throwback to this cryogenic system that we made for a cryogenics company in the early 90s. Note the large aluminum heat exchanger above and long vacuum vessel below. This series of vessels and cryogenic pressure piping became part of a helium liquefier.

This week’s #ThrowbackThursday is the chassis and booster system for a Star Wars-inspired speeder bike prototype! Just kidding, we don’t remember which project this system is from. What sci-fi technology do you think it looks like? Let us know in the comments!

#ThrowbackThursday to this current lead assembly that Meyer Tool made for the Superconducting Super Collider back in the early 90s. The large coils in the center are solid stainless steel rods in a flexible hose. This configuration was designed to protect the magnets from overheating in the case of a quench (sudden loss of superconductivity) in the magnets. By heating the steel and boiling off the liquid helium in the hose, the assembly would prevent thermal damage to the superconducting wires.

This week’s Throwback Thursday is a high-precision machined and welded leveling system that Meyer Tool built for the Advanced Photon Source at Argonne National Lab. Over the course of several years, we produced many of these systems for leveling the vacuum chambers for the APS beamline.

BREAKING NEWS: UFO SIGHTED NEAR DOWNTOWN OAK LAWN. FBI, MAYOR REPORT “VERY COOL.” Just kidding, this is a giant vacuum-insulated test chamber that Meyer Tool built in the 1990’s for testing superconducting magnets. It is now in use at Fermilab as part of the Mu2E project. These action shots show the inner and outer shells being assembled in our parking lot with a crane. #ThrowbackThursday #TBT

#Throwback this week to an RF cryostat that we built for the Superconducting Supercollider back in the 90s. You can see the copper heat shield and liquid helium piping inside of the stainless steel vacuum jacket. Though the accelerator was never finished, there was still quite a bit of cool vacuum and cryogenic technology that went into it!

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