Lockformer Transverse Duct Connector (TDC) Roll Formers

Lockformer Transverse Duct Connector (TDC) Roll Formers allow you to produce transverse duct connector (TDC) flanges during the manufacturing process. These are the only transverse duct connector machines on the market certified to comply with SMACNA Duct Construction Standard (DCS) T-25a based on actual laboratory tests across the full range of water gauges. Available in multiple configurations to server your operational needs:

  • Model TDC V (12 Station)
  • Model TDC 14 | 2-Plate
  • Model TDC 14 | 3-Plate
  • Model TDC V (16 gauge)
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Lockformer Transverse Duct Connector (TDC) Roll Formers

Model TDC V (16 gauge): features 12 stations 16 ga capable with two (2) outboard and no inboard position and produces transverse duct connector (TDC) flanges at speeds of up to 50 feet per minute.

Model TDC V (12 Station): features 12 forming stations with two outboard positions (left and right) but no inboard position and produces transverse duct connector (TDC) flanges at speeds of up to 50 feet per minute.

Model TDC 14 | 3-Plate: features 14 stations with two (2) outboard and two (2) inboard positions and the transverse duct connector (TDC) flange, formed on the machine’s left-hand auxiliary, has unique, snap-on corners that eliminate spot welding.

Model TDC 14 | 2-Plate: features 14 stations with two (2) outboard and one (1) inboard position and the transverse duct connector (TDC) flange, formed on the machine’s left-hand auxiliary, has unique, snap-on corners that eliminate spot welding.

All units also feature:

  • Famous Lockformer quality construction
    • Industrial motor and gear box
    • High precision bearings
    • Heavy duty two zone chassis
    • Plate head construction
    • Hardened and ground roll shafts all protected with a cabinet finished with Lockformer’s top-quality primer and paint finish
  • Extended shafts for mounting auxiliary rolls
  • Optional rolls are available for TDC Clip or Pittsburgh lock production

Model

Capacity

Depth of Pocket / Size

Speed

Motor / Voltage

Dimensions / Weight

Model TDC V16 | 16-gauge

16-22 gauge for transverse duct connector (TDC) 22 gauge for optional clip rolls

1-7/8" for transverse duct connector (TDC)

2-1/8" for Clip

50 feet per minute

7.5 hp, 230/460 volts, 60 cycle, 3 phase, A.C. (22 amps @230V) 1,800 RPM

Length: 137"

Width: 38"

Height: 48"

Passline: 33"

Weight: 2,800 lbs.

Model TDC V | 12-Station

18-24 gauge for transverse duct connector (TDC) 22 gauge for optional clip rolls

1-7/8" for transverse duct connector (TDC)

2-1/8" for Clip

50 feet per minute

7.5 hp, 230/460 volts, 60 cycle, 3 phase, A.C. (22 amps @230V) 1,800 RPM

Length: 137"

Width: 38"

Height: 48"

Passline: 33"

Weight: 2,800 lbs.

Model TDC 14 | 2-Plate

18-24 gauge for transverse duct connector (TDC) 22 gauge for optional clip rolls

1-7/8" for transverse duct connector (TDC)

2-1/8" for Clip

50 feet per minute

7.5 hp, 230/460 volts, 60 cycle, 3 phase, A.C. (22 amps @230V) 1,800 RPM

Length: 144"
Width: 33"

Height: 48"

Passline: 33"
Weight: 3,900 lbs.

Model TDC 14 | 3-Plate

18-24 gauge for transverse duct connector (TDC) 22 gauge for optional clip rolls

1-7/8" for transverse duct connector (TDC)

2-1/8" for Clip

50 feet per minute

7.5 hp, 230/460 volts, 60 cycle, 3 phase, A.C. (22 amps @230V) 1,800 RPM

Length: 144"
Width: 33"

Height: 48"

Passline: 33"
Weight: 3,900 lbs.

Lockformer Transverse Duct Connector (TDC) Roll Formers

TDC ROI

Material Cost of TDC/TDF Flange

TDC/TDF Cost Per Foot

TDC/TDF Flange uses 2″ of metal (24 sq. inches per linear foot)

TDC/TDF Material Cost per Linear Foot $ per foot
2 Edges to process per joint of ductwork
total material cost per ft. per joint of TDC/TDF Flange
$ per foot (per joint)
Corners

TDC/TDF corner cost
each x 8 Corners/joint
= $

Material Cost of Slip on Flange

Cost Per Stick

20 foot section
5% scrap factor = $

Flange Cost Per Foot

$ per foot
$ per foot
$ per foot

2 Edges to process per joint of ductowork, total material cost per ft per joint of slip on flange = $ per foot (per joint)


Additional Labor Cost for Slip on Flange Fabrication $ per foot (per joint)
Total Cost $ per foot (per joint)

Corners

Slip on corner cost
each x 8 Corners/joint = $ per joint


Comparison Analysis

Slip on Flange: cost/ft $
Cost/ft/joint $
Corner cost/joint $

TDC/TDF FLANGE: cost/ft $
Cost/ft/joint $
Corner cost/joint $

TDC/TDF Flange Savings: $ per ft of Flange
$ per ft. per joint
$ per joint

Example

Duct Size
Slip on Cost/Join $
TDC/TDF Cost/Joint $
TDC/TDF Savings per Join: $

Calculate Shop Savings using TDC/TDF


Estimated Savings per month for your shop using TDC/TDF: $ plus $ per joint for corners

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