Tenders Are Invited For Test Benches – Load-Free Axlebox Test Bench For The S-Bahn Berlin Gmbh

Test Benches – Load-Free Axlebox Test Bench For The S-Bahn Berlin Gmbh. S-Bahn Berlin Gmbh Carries Out The Remanufacturing Of Axle Drives Of The S-Bahns Own Vehicles In The Main Workshop In Schöneweide. These Include The Br 480, Br 481/482 And Br 483/484. After The Reconditioning, A Flushing And A Load-Free Functional Test Of The Gearboxes Is Required In Order To Remove Impurities From The Reconditioning Process And To Ensure That The Gearboxes Function Properly During Operation. The Test Stand Foundation Must Be Planned And Manufactured By The Client In Accordance With The Bidders Requirements. This Publication Relates To The Production, Delivery, Assembly, Commissioning, Training, Trial Operation And Final Acceptance Of A Load-Free Final Drive Test Bench Including All Necessary Peripherals For The Main Schöneweide Workshop Of S-Bahn Berlin Gmbh. Only The Axleboxes Of The Vehicles Used By The Berlin S-Bahn (Br 480, Br 481/482 & Br 483/484) Are To Be Tested On The Machine. The Test Stand Must Be Suitable For The Following Tasks/Functions: --- Rotatable Mounting And Storage Of The Wheelset Shaft Mounted On The Axlebox - Storage Takes Place At The Bearing Seats Of The Wheelset Shaft Using Fixed And Floating Bearings --- Anti-Rotation Protection Of The Axlebox In A Defined Zero Position On The Test Stand Via The Torque Support --- Mounting Of The Test Stand Components On A Solid T-Slot Base Plate (Installed At Ground Level) - Incl. Max. Vibration Damping Through A Suitable Machine Mounting System To The Foundation --- Modular Design Of The Test Stand For Easy Setup And Options For Expansion --- Adaptability Of The Test Stand To All Three Brs Of The S-Bahn - Br480 - Br481/482 - Br483/484 --- Precisely Controllable Drive Of The Wheelset Gears Using A Drive Motor - The Test Object Is Driven Via A Cardan Shaft And Flange Connection To The Front Bores Of The Wheelset Shaft (No Direct Drive Via The Coupling Of The Gearbox) - Speeds Up To 707 Rpm (Relative To The Wheelset Shaft) --- Protective Enclosure Of The Test Stand To Protect The Operator And The Environment As Well As Noise Reduction --- Process Observation Using Camera And Monitor Technology With Optimal Lighting --- Filling The Wheelset Gearboxes Using Oil Systems - Manual Filling And Emptying - Automatic Flushing Of The Oil In The Wheelset Gearbox In A Closed Bypass Circuit - Coarse And Fine Filtering Of The Oil --- Program-Guided Support Of The Operator --- Program-Controlled Automatic Sequence Of The Test Process - Automatic Flushing Of The Gearbox - Automatic Test Runs Including Parameterizable Speed Ramps --- Measuring Recording Of Temperatures And Vibrations Using Calibrated Measuring Chains Incl. - 01 Piece Of Triaxial Vibration Sensor (Screwed) - 06 Piece Of Temperature Sensors (Magnetic At Bearing Points) - Min. 01 Piece Of Temperature Sensor (Plug-In Sensor On The Oil Sump) - Min. 01 Piece Of Temperature Sensor (Ambient Temperature For Reference)