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Design & Manufacturing of an
Arbour Hydraulic Uprighter
for the Transformer Industry

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Arbour Hydraulic Unwinder
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Arbour Hydraulic Unwinder

This coil uprighter was designed and manufactured by ETSM Technical Services, Ltd. for use in the transformer manufacturing industry. Every part of the machine was fabricated and it was manufactured with CNC machining and MIG welding by certified welders. It features hydraulic operated locks to secure the arbour, a one-minute elapsed time to upright the coil and automated arbour adjustments in both horizontal and vertical positions. This upender also includes a category 3 rating safety circuit with dual redundant monitored contactors and dual contacts in the emergency stop devices. Ship time was 20 weeks to Savannah, Georgia (USA) and Australia. We manufacture to your custom specifications as well as to other industry and governmental standards, and installation is completed with ETSM supervision.

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Project Highlights for Design & Manufacturing of an Arbour Hydraulic Uprighter

Product Description ETSM designed and manufactured this hydraulic operated arbour, coil upender for use in the transformer manufacturing industry.
Capabilities Applied/Processes
  • Create Concepts
  • Create 3D CAD Models and CAD Detail Drawings
  • Finite Element Analysis
  • Structural Design Certification by 3rd Party Professional Engineer
  • Electrical System Approval Certification by 3rd Party
Machine Programming Documentation
  • Operation/Installation Manual
  • Electrical Schematics
  • Hydraulic Schematics
  • CAD Detail Drawings
  • Certificates & Inspection Sheets
  • Flame Cutting
  • CNC Machining
  • MIG welding by certified welders
  • Powder Coating
  • 1 year standard, longer is negotiable Installation
  • Installation Completed with ETSM Supervision Commissioning
  • Commission on Site by ETSM Technician
System Specifications
General: Maximum Weight: 25,000lbs
1 Min. Elapsed Time to Upright Coil and Arbour
Hydraulic Operated Locks to Secure Arbour
Arbour Adjustment in Both Horizontal & Vertical Positions
Automated Adjustment
Access Tower w/ Extending Platform
Electrical Power: 480V 3 Phase & Ground
Safety: Laser Scanner
Category 3 Rating Safety Circuit
  • Dual Redundant Monitored Contactors and Dual Contacts in the E-Stop Devices
Perimeter Fencing and Sliding Gates
Equipment Used to Manufacture Part
CNC Machining Center
CNC Boring Mill
CNC Lathes
System Size
Length: 288mm
Width: 247mm
Height: 198mm
Manufacturing Tightest Tolerances Some machine surfaces i.e. bearing journals etc., +/- .0005
Materials Used Steel
Electrical Conduit
Material Finish Powder Coated
In process testing/inspection performed Operation Testing
  • Check Operation of Uprighter Rotating the Mandrel Load testing
Industry for Use Transformer Manufacturing
Delivery Time 16 to 20 Weeks
Delivery Location Savannah, Georgia
Standards Met
Customer supplied specifications
SPE 1000
CWB Welding Specifications,
3rd Party Structural Engineer Review and Certification
Product Name Hydraulic Operated Arbour, Coil Upender

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