New and Used Woodworking Machinery and Equipment Since 1946

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W W Thayer Company
1444 Hoelzer Court
Pacific, MO 63069


Moulders - Leadermac

Moulder, Leadermac Thundermac Series, Moulder

Leadermac Thundermac Series Moulder  Photo

Leadermac Thundermac Series Moulder

The THUNDERMAC Series with a capacity to 9”(235mm) or 12”(305mm) width is designed for Heavy Duty High-Capacity, highest quality operation for large and small batch production runs with
Feed Speeds to 260fpm(80mpm) to 600fpm(185mpm).
The Super Quality heavy-duty Spindles are dynamically balanced and run on premium housing bearings, for superior work-piece finish quality.
The THUNDERMAC provides perfect surface quality, eliminating the need for sanding on planed and profiled surfaces. Width and thickness setting controller is supplied as standard, lowering downtime and increasing efficiency.

Outstanding Features:

  • Full Sound & Safety Enclosure
  • 1 piece, extra heavy machine frame is heat treated for max. stability & rigidity
  • Extra Heavy Feed Beam supported at each end of the beam on 2 large supporting columns and 1 further column in the center
  • Feed System is Chainless Full HD Cardan Shaft with very heavy gearboxes and universals
  • H.D. Infeed System with 8” (200mm) Dia Top Feed Rolls
  • Pneumatic pressure of the Top Feed Rolls can be easily set to provide an the best feed roll pressure.
  • Pneumatic Pressure to Side Head Holdover Rolls as well as the Top Head Chipbreaker(s)
  • Super Precision Spindle Assemblies ea. incl. 4 Super-Precision + outboard Bearings for highest tolerances
  • Spindles Speeds are std. 6,000 rpm and 7,200rpm/8,000 rpm or infinitely variable are optional
  • Hydro-Loc Outboards for horizontal spindle support
  • Each spindle is driven by an individual motor
  • REC Setworks - Programmable controller provides convenient thickness & width of cut settings.
  • More Powered Top & Full Width Bottom Rolls then most of our competition
  • Exclusive, separate adjustment of the vertical spindles and the support tables allow the support tables to be positioned extremely close to the side cutterheads to provide added cutting stability.
  • Hard-Chrome Plating Table Surfaces, Chip Breakers, Pressure Plates & Man Guide for max. wear resistance.
  • Counters for position all Cutterhead axis, Chip Breakers and Pressure Plates
  • Automatic Table Lube System included
  • Central lubrication system
  • Stand alone operators console
  • Electrics to UL/CSA Standards and are 230/460 or 575/3/60

Available Options:

  • 13” Width and/or 8” Thickness
  • Feed Speeds from 260 fpm(80m/min) to 600 fpm(185m/min)
  • Special Configurations available on Request -
  • Smartset PLC Control System with Touch Screen for downloading desired set positions directly to the machine
  • Smartset-Advanced Touch Screen Moulder Control System – Maintain all history files, downloads info from the grinding room, triple electronic position readouts for each axis, precision sets, troubleshooting, etc.
  • Precision Auto Straight &/or profile jointers
  • Angling Side Head Spindle(s)
  • Universal Head or Rip Attachment is optional
  • CE Specifications and 380 or 415/3/50 electrics also available

Standard Machine Specifications
Working Width
0.8" ~ 9” or 12” (20~235mm or 305mm)
Working Thickness
0.39"~6" or 8” (10~150mm or 200mm)
Number of Spindles
1 ~ 10
Motor Capacity per spindle
15HP to 60HP
Feed motor (VFD Controlled)
20HP ~ 50HP
Spindle Speed
6000, 7200 or 8000 RPM
Spindle diameter
1 13/16”, 40mm, 50mm or 2 1/8”
Feed speed, infinitely variable
260, 320, 390 , 490 or 600 FPM
Length of the infeed table
32” (.8m) or 55” (1.4m)

Leadermac Thundermac Moulder


Leadermac Thundermac Moulder
Leadermac Thundermac Moulder
Pneumatic controls easily accessible for control of feed rolls, chip breakers, pressure plates, hold-overs.

Std. HD 3/2 – 8” Top Roll Infeed drive with heavy pneumatic hold over and anti double up gate. Clutch Roll as 1st Top Roll

Leadermac Thundermac Moulder
Leadermac Thundermac Moulder
All types of machine configurations are available. This machine is Bottom, and Top before the side heads which is an excellent choice for rough material infeed at high speeds Side Head Section with HD Pneumatic Side Head Roll Holdover System ahead of it
Leadermac Thundermac Moulder
Leadermac Thundermac Moulder
Optional profile jointer(shown) and /or straight jointer on side and top/bottom heads Top & Bottom Head Hydro-loc Outboard Bearing assemblies. Note pneumatically locked top head outboard supports and floating pressure plate over last bottom head
Leadermac Thundermac Moulder
Leadermac Thundermac Moulder

Remote Pedestal Control with REC Near Side and Top Head Setworks Controls Std. on Thundermac

Optional Smartset Advanced PLC Control with Touch Screen for full setworks system and downloaded information and control from the grinding room. Also includes history and huge information library
Leadermac Thundermac Moulder
Leadermac Thundermac Moulder
Heavy Duty Cardan Shaft Drive and with over sized gearboxes gear boxes
TECO-Westinghouse Motors
Optional opposed side heads
Leadermac Thundermac Moulder
Greasing to all critical points from 2 or 3 centralized locations.  

Manufacturer Machine Model Stock Number
Thundermac Series
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