Products

NICHOLSON

Straight Knife Drum Chipper (SKD)Straight Knife Drum Chipper

Rugged and Reliable Multi-Application Nicholson SKD Chipper is Easy to Service.

The Nicholson SKD (Straight Knife Drum) Chipper is one of the most versatile and capable chippers in the industry.

The SKD makes high quality pulp or fuel chips from lumber trims, slabs, veneer trims, edgings, blocks, log ends, oversized chips and solid wood.  Even tree length wood, brush, stringy bark and limbs can be processed.

You can now replace several specialised chippers and knife hogs with simple and easy to maintain multi-application Nicholson SKD Chippers.

Nicholson SKD Chippers provide the following features:

  • Large infeed opening of the SKD makes feeding easy
     
  • Both drop feed and horizontal infeed configurations available
     
  • Swing-away safety anvil
     
  • Two knife systems available
     
  • Outfeed can be bottom discharge or momentum discharge from the rear of the chipper
     
  • Large anvil access doors on each side of the chipper make anvil replacement and knife-to-anvil adjustment easy
     
  • Excellent knife access as entire top casing opens
     
  • Drum locking pin
     
  • SKD chipper uses full width of knife for maximum knife life
     
  • Specially contoured drum pocket
     
  • Fully adjustable & replaceable screen located just behind anvil
     
  • Reversible screen with six adjustment points

Straight Knife Drum Chipper Specifications

SKD size (dia x length, in.) 26 x 16 26 x 32 36 x 16 36 x 32 36 x 48 48 x 32 48 x 48 48 x 64 60 x 32 60 x 48 60 x 64
Spout width, in. (mm) 15.5
(394)
31.5
(800)
15.5
(394)
31.5
(800)
47.5
(1207)
31.5
(800)
63.5
(1207)
63.5
(1613)
31.5
(1207)
47.5
(1207)
63.5
(1613)
Spout height, in. (mm) 12
(305)
12
(305)
15.5
(394)
15.5
(394)
15.5
(394)
20
(508)
20
(508)
20
(508)
24.5
(622)
24.5
(622)
24.5
(622)
Log dia. max., in. (mm) 10
(254)
10
(254)
13.5
(343)
13.5
(343)
13.5
(343)
18
(457)
18
(457)
18
(457)
22.5
(572)
22.5
(572)
22.5
(572)
Knife Pockets on drum

2,4,6

2,4,6,8

2,4,6,8,10

2,4,6,8,10,12

Knives per pocket 1 2 1 2 3 2 3 4 2 3 4
Drum r.p.m., nominal 900 900 650 650 650 500 500 500 400 400 400
Belt Drive, max. hp (kw) 200
(149)
200
(149)
400
(298)
400
(298)
400
(298)
700
(522)
700
(522)
700
(522)
1000
(746)
1000
(746)

1000
(746)

 

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