Custom coil handling for existing or new decoilers

Hydraulic Coil Loading Car for Decoilers

HENLI builds hydraulic coil loading cars for decoilers and uncoilers, including single-head, double-head, 2-in-1 and 3-in-1 press feeding systems. Each car is matched to coil weight and dimensions, mandrel center height and rail travel for a new installation or a retrofit.

Hydraulic coil carCoil loading trolleyDecoiler loading carCustom retrofit
HENLI hydraulic coil loading cars assembled on floor rails in the workshop
HENLI hydraulic coil loading cars in the workshop, with rail bases, lifting platforms and removable retaining posts.
3โ€“20 TonCustom load range based on coil data
100โ€“2,000 mmCustom coil and material width range
300 mmTypical reference stroke; project-specific lift range
Single / DoubleHead decoiler compatibility

Overview

What Is a Hydraulic Coil Loading Car?

A hydraulic coil loading car supports a metal coil, lifts it until the coil bore aligns with the decoiler (uncoiler) mandrel, and travels along rails to position it for loading. Also called a coil loading trolley or coil loading cart, it combines lifting and guided travel at the entry to a coil processing line.

1

Retrofit an Existing Decoiler

If the original decoiler was purchased without a loading car, Henli can engineer a separate coil car around the existing base, spindle position, available approach distance, floor condition, and electrical or hydraulic interface.

2

Load and Align the Coil

The V-shaped saddle supports the coil, the hydraulic cylinder raises it, and the motorized undercarriage travels along floor rails. A handheld pendant lets the operator watch the coil I.D. and mandrel during final inching and alignment.

3

Match the Real Coil Range

Capacity alone is not enough. We support custom coil and material widths from 100 to 2,000 mm, then confirm maximum weight, I.D., O.D., mandrel center height, lift range, safety-post clearance, rail travel, and interference around the decoiler base.

Important retrofit point: send the decoiler drawing or clear dimensioned photos before quotation. The coil car rail gauge, travel direction, platform width, minimum/maximum saddle height, and retaining structure must fit the machine already on your floor.

Workshop demonstration ยท 1 min 43 sec

Watch the Coil Loading Trolley in Operation

See hydraulic raising and lowering, forward and reverse rail travel, and the handheld pendant controls in this HENLI workshop demonstration.

Unloaded operation of the photographed four-post configuration. Watch on YouTube.

Power supply, hydraulic setup and control arrangement shown in the video apply to the demonstrated units. Confirm these details for your order.

Compatibility

Coil Cars for Decoilers and Complete Press Feeding Lines

A coil loading car can serve a standalone decoiler or the decoiling section of a straightening and feeding line. The uncoiler loading car must match the actual mandrel position, approach direction, rail path and surrounding clearance.

standalone hydraulic decoiler with a separate coil loading car
Standalone decoiler

Standalone Decoiler + Coil Car

A separate coil car travels directly to the mandrel centerline of the decoiler. This configuration is suitable for a new installation or a retrofit where the existing decoiler base, anchor points, and loading direction must remain unchanged.

two-in-one decoiler straightener equipped with a hydraulic coil loading car
2-in-1

Decoiler Straightener + Coil Car

This is a 2-in-1 decoiler-straightener, not a standalone decoiler. The loading car must align with the mandrel while maintaining clearance from the straightening section, hold-down arm, coil guides, and control side.

three-in-one decoiler straightener feeder with a rail-guided coil loading car
3-in-1 integrated

3-in-1 Decoiler Straightener Feeder

The decoiler, straightener, and servo feeder are integrated into one compact machine. The coil car is customized around the combined machine base, decoiler mandrel height, threading path, and press-line operating space.

split decoiler straightener and feeder press line with a hydraulic coil loading car
Split feeding line

Separate Decoiler, Straightener & Feeder

In a split press feeding line, the decoiler, straightener, and feeder are separate machines. The coil car serves the decoiler while rail position and loading access are coordinated with the downstream loop, straightener, feeder, and press.

Double-head decoiler support: Henli can also customize a loading car for a double-head decoiler. We confirm which mandrel is loaded, the head rotation or left/right arrangement, required stopping positions, and available travel before designing the rails.
drawing showing raised coil car saddle height for large coil outer diameter and high decoiler mandrel

Why the raised saddle or spacer block?

Large Coil O.D. Can Require a Higher Loading Surface

A large coil outer diameter normally requires the decoiler mandrel centerline to be higher so the coil clears the floor and machine base during rotation. When the mandrel is raised, the custom coil car must also reach that higher centerline.

The added saddle block or raised support is therefore used to bring the coil center up to the decoiler spindle position. It is not added because the coil inner diameter is small. Coil I.D. affects mandrel fit and expansion range; coil O.D. and spindle height determine the vertical loading geometry.

  • Coil O.D.Controls the coil radius and floor/base clearance.
  • Mandrel heightSets the target coil centerline during loading.
  • Saddle rangeMust cover the lowest and highest coil center required.

Coil retention

Two Retaining Structures for Different Coil Loads

Both designs retain the coil on the saddle. The correct structure depends on coil weight, width, material thickness, center of gravity, and the risk of the coil leaning during travel or lifting.

hydraulic coil loading car with standard retaining arms and a raised saddle module beside a decoiler
Standard / medium load

Raised and Reinforced Retaining Arms

The orange side arms in this project photo show the standard retaining structure. The V saddle naturally centers the coil, while the taller and thicker retaining arms add protection for common loading duties without interfering with the coil bore or decoiler mandrel. This particular project also includes a separate raised saddle module.

  • Load rating confirmed for the supplied configuration
  • Adjustable to coil width and clearance
  • Simple removal and everyday operation
V-shaped coil car saddle with removable retaining posts and replaceable contact plates
Custom retaining posts

Removable Insertable Retaining Posts

The workshop photo shows long removable posts passing through the V-saddle support. Post diameter, insertion depth, spacing and platform structure are selected for the actual coil weight, width and stability requirements.

  • Removable posts for the loading arrangement
  • Post positions coordinated with coil width
  • Retaining structure checked against coil data
Two separate customizations are visible here: standard arms versus long insertable through-posts controls coil retention. The raised saddle module visible in the left project photo controls vertical centerline alignment. Either retaining structure can be engineered together with a raised saddle when the project requires extra loading height.

Workshop details

Hydraulic Lift and Rail Travel

Two close views show how the lifting platform, guide columns and rail base fit together on the photographed units.

Close-up of hydraulic lift cylinder, guide columns and cable carrier on a coil car

Lift Cylinder and Guide Columns

The close-up shows the central hydraulic lift cylinder, surrounding guide columns and cable carrier. Confirm the load rating and lifting range for the ordered configuration.

Coil car rail bases and travel assemblies with platforms at different heights

Rail Base and Traveling Carriage

The side view shows the rail bases and lower travel assemblies, with the platforms at different heights. Rail length, loading direction and clearances are matched to the decoiler layout.

Technical range

Hydraulic Coil Car Specifications

Use these values as a first-pass guide. Every retrofit and heavy-duty coil car is finalized from the actual coil and decoiler drawings.

Standard reference and custom options

Final capacity, height, and rail travel are engineered for the project.

Carrying capacity3,000โ€“20,000 kg6,600โ€“44,000 lb, customized to the coil and decoiler
Horizontal travel speedApprox. 4 m/minApprox. 13.1 ft/min, with inching control for alignment
Typical lifting stroke300 mm11.8 in; custom stroke and minimum/maximum saddle height available
Custom coil/material width100โ€“2,000 mm3.9โ€“78.7 in; platform and support geometry are engineered to the actual width range
Rail travel2,000 mm project reference78.7 in project reference; custom to the approach distance and floor layout
Coil supportV-shaped saddle or double-roller support; wear-resistant contact surface available
Lift guidanceFour guide columns for stable vertical movement under load
Horizontal driveGeared motor and chain/sprocket drive on floor rails
Hydraulic sourceShared with the hydraulic decoiler or supplied with an independent power unit
Operator controlHandheld pendant for forward, reverse, raise, lower, and controlled inching
Retention optionsRaised/thickened retaining arms or long insertable through-posts for heavy coils
Compatible equipmentSingle-head decoiler, double-head decoiler, hydraulic uncoiler, 2-in-1 decoiler straightener, and 3-in-1 feeder

Why โ€œ300 mm strokeโ€ is not the whole answer: the same hydraulic stroke can produce different usable coil ranges depending on the fixed saddle height, V-saddle geometry, coil O.D., and the decoiler mandrel center height. We calculate the complete minimum-to-maximum coil-center envelope before releasing the drawing.

technical drawing of custom 600 mm hydraulic coil loading car and floor rails

Real retrofit workflow

Five Coil Cars Standardized for Different Existing Decoilers

In a five-unit retrofit project, the customer had existing uncoilers with different base interference and spindle heights. HENLI checked the drawings, standardized the main dimensions where practical, and kept one unitโ€™s rail and height geometry project-specific.

5 unitsCoordinated under one engineering review
600 mm platformSelected from the actual coil width requirement
2,000 mm railsReference travel for the available approach
300 mm lift strokeVerified against coil O.D. and spindle height

Before fabrication, Henli can provide a dimensioned drawing or DWG for review. Production begins after the loading height, base clearance, rail position, retaining posts, and operating direction are confirmed.

Read the coil car retrofit case for existing uncoilers

Quotation checklist

Send These Details for Coil Car Selection

Rough photos are useful, but dimensioned data prevents rail, base, stroke, and safety-post interference during installation.

Maximum coil weightNormal and heaviest coil
Coil width range100โ€“2,000 mm customization available; send actual minimum and maximum
Coil I.D. and O.D.Mandrel fit and center-height envelope
Material thicknessEspecially for thick, heavy coil stock
Mandrel center heightMeasured from the finished floor
Decoiler base drawingFootprint, protrusions, anchors, clearance
Available rail travelLoading position to mandrel center
Power and hydraulic supplyVoltage, frequency, shared or independent unit
Photos or videoSingle/double head and workshop access

Project photos and drawings

Custom Coil Loading Car Gallery

Workshop, installation, and engineering references for coil car retrofit and new line projects.

FAQ

Hydraulic Coil Loading Car Questions

Answers for buyers adding a coil car to an existing decoiler or specifying a new coil handling system.

Can I add a coil loading car to an existing decoiler?
Yes. A retrofit coil car can be designed around an existing single-head or double-head decoiler. We need the base footprint, mandrel center height, coil range, available approach distance, rail installation area, and clear photos or drawings to check interference before quotation.
What other names are used for a coil loading car?
Coil car, coil load car, coil loading trolley and coil loading cart are used for this type of equipment. Decoiler loading car and uncoiler loading car describe its application. For the HENLI equipment shown here, the defining functions are supporting the coil, hydraulic lifting and rail-guided positioning at the mandrel.
Is a coil loading car the same as a coil transfer cart?
The terms can overlap, but the required function matters. A coil transfer car or coil transfer cart may transport coils between storage and production areas without providing mandrel loading. A decoiler loading car must also provide the lift range, coil support and approach needed to align the coil with the mandrel. Compare these functions when specifying equipment.
Does this coil car turn a coil from vertical to horizontal?
The rail-guided coil cars shown on this page provide lifting and travel for mandrel loading. They do not include a coil upending function. A coil upender or coil tipper changes coil orientation. If the incoming coil must be turned, specify that requirement separately when reviewing the complete handling arrangement.
Can one design work with both single-head and double-head decoilers?
The operating principle can be the same, but the rail path, stopping positions, loading direction, and clearance must match the actual decoiler. A double-head decoiler may require additional travel or different loading positions, so we check the layout drawing rather than assuming one standard rail arrangement.
Why does a custom coil car sometimes need a raised saddle block?
A large coil O.D. can require a higher decoiler mandrel so the coil clears the floor and machine base. The coil car saddle is then raised so the coil center can reach that spindle height. This is a centerline and coil-O.D. issue, not a correction for a small coil I.D.
Which retaining structure is better for 8- or 10-ton coils?
For very heavy or thick coils, Henli can use long insertable steel posts that engage deeply through the support structure. Compared with short edge-mounted arms, the one-piece inserted post is more rigid against leaning. Final post count, diameter, spacing, and platform structure are calculated from the coil data.
What coil width can the loading car handle?
Henli can customize the coil car for material widths from 100 to 2,000 mm. The platform width, saddle geometry, retaining-post spacing, rail gauge, and load structure are designed from the customerโ€™s actual minimum and maximum coil width rather than fixed to one standard size.
Is a 300 mm hydraulic lifting stroke enough?
It can be enough when the fixed saddle height and V-saddle geometry are correctly selected for the coil O.D. range and decoiler mandrel height. We calculate the lowest and highest coil-center positions; if the envelope is outside the standard range, the base height, saddle, cylinder stroke, or decoiler interface is customized.
Does the coil car need its own hydraulic station?
Not always. It can share the hydraulic power unit of a compatible hydraulic decoiler, or Henli can provide an independent power unit for retrofit projects. We confirm pressure, flow, valve control, voltage, and operating sequence before finalizing the design.
How are the floor rails installed?
Rails can be supplied with mounting holes for anchor or expansion bolts. The installation method depends on coil load, floor strength, alignment tolerance, and whether the customer may need to reposition the car later. Heavy-duty projects may require a more substantial foundation and anchoring plan.
What information is required for an accurate coil car quote?
Send maximum coil weight, width, thickness, I.D., O.D., decoiler type, mandrel center height, base drawing, available rail travel, power supply, floor condition, and photos or video of the loading area. This information lets us select the lift range, platform width, retention system, motor, hydraulic cylinder, and rail structure.

Need a Coil Car for an Existing Decoiler?

Send the decoiler drawing and your coil data. Henli will check mandrel height, base interference, rail travel, lifting range, and the correct retaining structure before preparing a custom proposal.

Get a Free Quote