NIP ROLLERS

Manufacturer:  Rodney Hunt Co.

Support Frame

     Heavy Duty Cast Iron, Designed for a total

     load of 4000 lbs.

Air Cylinders

     2.5” bore x 6” stroke, noncushioned with 

     self adjusting pistons and rod packing.

     The 6” stroke will give a 2” nip opening.

Bearing

     Heavy duty spherical roller bearing 

     (1.9375” Dia.) Life (L-10) for 500 RPM 

     and full loading is 15000.  

Air Controls

     Operating valve and gauge with safety pop

     value.  Air controls are panel mounted.

      30.9 PSI Air supply required for 1000# total 

     nip load.  Automated air lubricator and 

     filter supplied with unit

Top Roll

     Rubber covered ½” thick 40 durometer 

     natural rubber

     Roll Dimensions:  6” Dia. x 50” long

     face x 58” overall length

     Material:      Body, solid steel   

                       Shafts, solid steel

     Finish:        Body ground   

                       Shafts 63 RMS

     T.I.R:          .002”      Balance none

 Drive System

     Unit is powered by a 1/2hp D.C. motor

     connected to a 600/1 gearbox for infinite         

     speed control. Controls included with unit.

Gruenberg Ovens:

The two ovens that we have available, Model

C66H313.7M are Cross-flow horizontal box

ovens with internal Dimensions of:

 5' W x 7' H x 10' L and a Heating Capacity of 660

Degrees F.  They are electric fuel and were

manufactured in 1980.  The attached picture show 

modifications to the oven where we fed yarn ends

back and forth through the oven over 6" rolls to 

maximize dwell time in the oven and still maintain 

a reasonable feed rate

Designed by ASTRO INDUSTRIES, INC.  

Model 6000, Serial No. 007

1” x 16” x 24” Uniform Hot Zone to 2700°C Max  

50 and 44 KVA Transformers

     (Static 2700°C equilibrium at 51 KVA)

Model 6000, Serial No. 008

1” x 16” x 30” Gradient Hot Zone to 2700°C Max

30 KVA Transformer provided

     (Approximate static equilibrium of 2100°C

     to 1700°C gradient at 30 KVA.  Gradient 

     of 2680°C to 2160°C attained with power 

     increase to 59.4 KVA.)  

Leesona Take-up Winders  

(5) Model 981 units in house. Each unit contains   

(12) take-up heads with the following specs.

Traverse:                   10"

Tube holder:              3" ID, With Automatic

                                 Contraction

Speed Range:           3 FPM to 25 FPM

Tension Range          150 to 1200 grams

Drive motor:               1/70 HP, 19-22 Inch/lbs.

                                 torque Impedence

                                 protected

Maximum Pkg Dia.     10"

Power requirements:  115/60/1

Structure:                   Three decks with (4)

                                 heads per deck.  15"

                                 horizontal center  

I have included some pictures of the   

Mod. 981 unit, we also have (2) model 965.