Factory-direct coil straightening equipment

TL Coil Straightener for General Stamping

The TL series is a practical 7-roller coil straightening machine for ordinary stamping and metal hardware production. It reduces coil set in continuous strip before the material enters an NC servo feeder and stamping press. Choose TL or TL-A from the actual strip width, thickness and material.

Ordinary coil-fed stamping7 straightening rollersTL / TL-A model selectionMetric / Imperial specifications

Get a Free Quote Check Specifications

TL coil straightener processing continuous strip — TL series straightener showing the roller head, inlet and outlet strip path, and operator controls.

150–1600 mmMaximum width options across the listed TL and TL-A models.

0.35–3.2 mmSeries range; actual thickness depends on model, width and material.

7 RollersStandard 3 upper / 4 lower straightening arrangement.

15 m/minStandard speed, with VFD variable speed control optional.

Overview

Coil Straightening for Ordinary Hardware Production

TL handles continuous strip from a coil. Typical work includes blanking, punching and forming where standard coil-set correction meets the part and feeding requirements.

Common line: MT decoiler + TL straightener + NC servo feeder + stamping press.
Machine roles: TL corrects coil set; the NC servo feeder controls the feed pitch into the press.
Production: general metal hardware, including ordinary appliance and automotive hardware components.

Electronic and precision stamping projects should generally start with the SSL precision leveling range. For 0.03–0.3 mm terminal strip, review the 6-Hi thin-strip precision leveler and confirm the material and required result.

Full view of the TL straightener head and supporting body — Standard TL straightener arrangement for checking the roller head, working height and strip path.

Selection guide

Choose the Straightener by Material and Required Result

Check width, thickness and material strength together. A width rating alone does not establish the suitable thickness or finished result.

Standard

TL Series

For ordinary coil-fed stamping within the chosen model’s specification, with simple operation and routine maintenance.

Reinforced

TL-A Configuration

Consider a listed reinforced model where it suits the material. Motor and drive specifications vary by model.

Precision

SSL / 6-Hi Range

For electronic or precision stamping and tightly controlled flatness or surface requirements, assess the appropriate precision configuration.

Technical specifications

TL / TL-A Model Specifications

Read the model specification together with the capacity reference. Paired entries follow the TL / TL-A order; confirm the actual material and supplied configuration.

UnitsMetricImperial

TL and TL-A model specifications in millimetres
Model TL / TL-A	Max. width (mm)	Thickness (mm) TL / TL-A	Motor power (HP) TL / TL-A
TL-150 / TL-150A	150	0.35-2.2 / 0.35-3.2	- / 2 HP
TL-200 / TL-200A	200	0.35-2.2 / 0.35-3.2	1 / 1 HP
TL-300 / TL-300A	300	0.35-2.2 / 0.35-3.2	1 / 2 HP
TL-400 / TL-400A	400	0.35-2.2 / 0.35-3.2	2 / 2 HP
TL-500 / TL-500A	500	0.35-2.2 / 0.35-3.2	2 / 3 HP
TL-600 / TL-600A	600	0.35-2.2 / 0.35-3.2	2 / 3 HP
TL-700 / TL-700A	700	0.35-2.2 / 0.35-3.2	3 / 5 HP
TL-800 / TL-800A	800	0.35-2.2 / 0.35-3.2	3 / 5 HP
TL-1000 / TL-1000A	1000	0.35-2.2 / 0.35-3.2	5 / 7.5 HP
TL-1300	1300	0.35-3.2	7.5 HP
TL-1600	1600	0.35-3.2	10 HP

Speed: 15 m/min standard; VFD variable speed control optional

TL and TL-A model specifications in inches
Model TL / TL-A	Max. width (in)	Thickness (in) TL / TL-A	Motor power (HP) TL / TL-A
TL-150 / TL-150A	5.9	0.014-0.087 / 0.014-0.126	- / 2 HP
TL-200 / TL-200A	7.9	0.014-0.087 / 0.014-0.126	1 / 1 HP
TL-300 / TL-300A	11.8	0.014-0.087 / 0.014-0.126	1 / 2 HP
TL-400 / TL-400A	15.7	0.014-0.087 / 0.014-0.126	2 / 2 HP
TL-500 / TL-500A	19.7	0.014-0.087 / 0.014-0.126	2 / 3 HP
TL-600 / TL-600A	23.6	0.014-0.087 / 0.014-0.126	2 / 3 HP
TL-700 / TL-700A	27.6	0.014-0.087 / 0.014-0.126	3 / 5 HP
TL-800 / TL-800A	31.5	0.014-0.087 / 0.014-0.126	3 / 5 HP
TL-1000 / TL-1000A	39.4	0.014-0.087 / 0.014-0.126	5 / 7.5 HP
TL-1300	51.2	0.014-0.126	7.5 HP
TL-1600	63.0	0.014-0.126	10 HP

Speed: 49 ft/min standard; VFD variable speed control optional

Where two values are shown, they follow the TL / TL-A order. TL-1300 and TL-1600 have separate entries. Confirm the actual width-thickness combination and material strength; a larger width rating does not mean the maximum thickness is available at full width.

Straightening capacity

Width vs. Thickness Capacity Reference

These figures are a preliminary reference under the stated material condition. The chart does not extend the thickness range of a selected model.

UnitsMetricImperial

Model / Thickness	0.35 mm	0.8 mm	1.2 mm	1.5 mm	2.0 mm	2.5 mm	2.8 mm	3.2 mm
TL-200	200	200	200	180	120	100	80	60
TL-300	300	300	300	280	240	180	120	85
TL-400	400	400	400	360	280	220	180	120
TL-500	500	500	500	460	380	280	220	150
TL-600	600	600	600	570	460	330	270	200
TL-800	800	800	800	750	600	450	400	300

Model / Thickness	0.014 in	0.031 in	0.047 in	0.059 in	0.079 in	0.098 in	0.110 in	0.126 in
TL-200	7.9	7.9	7.9	7.1	4.7	3.9	3.1	2.4
TL-300	11.8	11.8	11.8	11.0	9.4	7.1	4.7	3.3
TL-400	15.7	15.7	15.7	14.2	11.0	8.7	7.1	4.7
TL-500	19.7	19.7	19.7	18.1	15.0	11.0	8.7	5.9
TL-600	23.6	23.6	23.6	22.4	18.1	13.0	10.6	7.9
TL-800	31.5	31.5	31.5	29.5	23.6	17.7	15.7	11.8

Reference material: yield strength up to 235 N/mm², such as mild steel Q235. For stainless steel, high-tensile steel or special alloys, send the grade and strength for review. Entries above the selected model’s stated thickness range require confirmation of the applicable configuration; the final machine is chosen from the model specification and actual material together.

Machine information, control and service details

SeriesTL Series Standard Type Coil Straightener
ModelTL-150 to TL-1600, with TL-A reinforced options
MaterialCold rolled steel, stainless steel, aluminum, brass, copper, and similar metal coils
Max. widths150 mm to 1600 mm across the listed models
Thickness0.35 mm to 3.2 mm by model and material strength
Rollers7-roller straightening head, 3 upper / 4 lower
AdjustmentFour-point handwheel adjustment with visual reference scales
Control24V induction loop control, adjustable delay-start function
Service12-month warranty plus lifetime technical support

Machine construction

Straightening Rollers, Adjustment and Access

Review the roller arrangement, handwheel adjustment and cleaning access when selecting the straightener. Open a photograph for a closer view.

Close-up of the TL straightening rollers

Roller assembly

Standard 7-Roller Structure

The 3-upper / 4-lower arrangement corrects coil set. Straightening rollers are heat-treated, hard-chrome plated and precision-ground for wear resistance.

Gap adjustment

Four-Point Handwheel Adjustment

Set the straightening gap with handwheels and visual reference scales. Reference settings help with thickness changes and repeated material batches.

Adjustment knobs and springs on the TL head

Strip handling

Inlet and Outlet Pressure Adjustment

Adjustable pinch rollers help manage strip pressure and tracking. Confirm the setup for the actual material. Worm gear adjustment is available for material thicker than 3.0 mm.

Opened TL head exposing the straightening rollers

Cleaning access

Access to the Roller Area

The open-head view shows access to the roller assembly. Flip-top cleaning access is an available option; confirm the supplied head configuration.

Electrical control

Standard Control and VFD Options

Select the control arrangement for the line speed and feeding rhythm. TL retains a straightforward operating structure for ordinary coil-fed stamping.

Operating buttons on a TL straightener control panel

Standard control

Standard Control Panel

Contactor-based control supports constant-speed operation. The 24V induction loop control and adjustable delay-start function help reduce frequent motor starts.

Optional control

VFD Variable Speed Option

A VFD can be specified for variable speed adjustment and line synchronization. Confirm the fitted drive and control version for the actual machine.

Non-contact photoelectric loop sensing is optional for sensitive surfaces. An NC servo feeder controls feed pitch; pairing it with TL does not change the straightener into a precision leveler.

Head configuration

Cleaning Access and Surface-Handling Options

PU or rubber coated rollers, flip-top access and a full safety enclosure are available options. Choose the contact components and access arrangement for the strip surface and cleaning needs.

TL machine with the head cover in the closed position

Closed Head View

Full machine view for checking the head, operating controls and support structure. The exact supplied scope is confirmed with the selected configuration.

TL machine with the upper head cover open

Open Head View

The opened cover illustrates access to the roller head. Review cleaning access and the required guarding when selecting the machine.

The photographs show different head configurations. For strict cosmetic or electronic precision requirements, review the appropriate precision leveler before choosing accessories.

Main application

Split-Type Coil Feeding for Stamping

The main TL application is ordinary coil-fed stamping and metal hardware production. The independent machines provide flexible placement and straightforward maintenance.

MT decoiler, TL straightener and NC feeder equipment

MT Decoiler + TL Straightener + NC Feeder

TL prepares strip for the NC feeder, which advances the material into the press. Match the line speed, working height and loop space to the production layout.

Coil feeding equipment in a stamping workshop

Installation in a Stamping Workshop

A split-type arrangement lets the decoiler, straightener and feeder be positioned for the available factory space. Each machine can be maintained independently.

Other coil-processing layouts

Compact Cut-to-Length Shearing Lines

TL can also prepare coil strip for fixed-length shearing. Select the line for its material capacity and required finished result.

Compact decoiling, straightening and shearing line

Compact Shearing Line

MT decoiler + TL straightener + NC servo feeder + pneumatic or mechanical shear. The feeder measures and advances strip into the shear for fixed-length blanks.

Operators beside compact feeding and shearing equipment

Line Setup and Downstream Handling

A conveyor can transfer finished sheets for stacking. Confirm strip dimensions, cut-length requirements and the downstream handling arrangement.

Project photographs

Wide-Coil Layouts and Site Views

Wide-coil processing combines loading, straightening and shearing equipment. Review the coil dimensions, material capacity, workshop space and downstream handling when planning the line.

Wide-coil processing line with loading equipment and straightener

1300 mm Cut-to-Length Layout

Hydraulic decoiler with loading car + wide straightener + hydraulic guillotine shear. This layout handles wide coils up to 1300 mm for panels, HVAC casings, doors, cabinets and wider blanks.

People standing beside coil-processing equipment

Installation and Workshop Space

Consider the available floor space, coil loading route and downstream equipment when planning a similar installation.

Project visit beside coil straightening equipment

Operating and Maintenance Access

Plan access to the straightening head and controls alongside the strip path and downstream handling area.

Customer beside a wide coil straightener

Straightener at Site

Match the working width and equipment height to the strip and downstream feeder or shear. Confirm material capacity for the selected machine.

MT DecoilerCoil handling before the straightener.NC Servo FeederPitch feeding into the press or shear.UL 2-in-1Compact decoiling and straightening option.

Quotation checklist

Send Your Material Data for TL Selection

Provide the actual strip and line requirements so HENLI can review the suitable TL or TL-A configuration and feeding layout.

1Material: width, thickness, grade and strength; required flatness and surface condition.

2Coil: weight, inner diameter and outer diameter.

3Line: speed, feed pitch, press speed, equipment height, loop space, part drawing and destination country.

For broader model comparison, see the sheet metal leveler and coil straightener selection guide.

FAQ

Frequently Asked Questions

What materials can the TL Series Straightener process?

TL is used for ordinary coil-fed stamping and metal hardware production. Materials can include mild steel, stainless steel, aluminum, brass and copper, subject to the selected model and material condition. The 0.35-3.2mm range covers different TL and TL-A entries, not every material on every machine. The capacity reference uses yield strength up to 235 N/mm², such as Q235; other grades need a separate check.

Is TL suitable for electronic and precision stamping?

TL is a standard 7-roller coil straightener for general stamping and hardware production. Electronic and precision stamping projects should generally start with HENLI’s precision leveling range, selected for the material, flatness and surface requirements. An NC servo feeder controls feed pitch; pairing it with TL does not change the straightener into a precision leveler.

Can the TL Straightener work with an NC servo feeder?

Yes. A common split-type press feeding line uses an MT decoiler, TL straightener and NC servo feeder. TL corrects coil set before the NC feeder advances the strip into the stamping press. Confirm the strip dimensions, required line speed, loop space and equipment height when arranging the line.

Will the rollers scratch aluminum or polished material?

Surface performance depends on the material, contact condition and setup. The listed TL surface-handling options include PU or rubber coated rollers, cleaning access and non-contact loop sensing. Confirm the appropriate contact components and assess marks with representative material. For strict cosmetic or electronic precision requirements, review the precision leveling range first.

How do I choose the correct TL model size?

Check the actual strip width, thickness, material grade and strength against the selected model specification and capacity reference. A 280mm-wide coil needs a working width of at least 280mm, but width alone does not establish suitability. Confirm TL or TL-A, the drive configuration and the required finished result; the capacity chart does not override a model’s stated thickness range.

What information should I send for quotation?

Send coil strip width, thickness range, grade and strength if available, coil inner and outer diameter, coil weight, line speed, feed pitch and press speed. Include feeder or press height, available loop space, a part drawing or photo, and the required flatness and surface condition. Henli can then review the TL or TL-A configuration and the complete feeding line.