Timberline Machinery Inc.
7 Pittsburgh Ave   PO Box 1109   Nashua, New Hampshire, USA 03061
Phone (603) 889-7233         Fax (603) 889-7300        Call Ed Makepeace
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ONE (1) 1988 HARTIG MODEL SMP-35(2)10-5030S65 SINGLE PRESS BLOW MOLDING SYSTEM, consisting of the following:


A. 3-1/2" 24:1 L/D Hartig High-Torque Extruder driven by a D.C. drive motor.

B. Hartig's advance design high performance barrier type MC4 feedscrew machined from SAE 4140 steel with stellite hardened flight lands. This screw is rated at 600 PPH of HDPE. We can also custom design a screw for your specified polymer upon request.

C. Reducer DH200 has a rating of 174 HP @ 100 RPM with a 1.0 service factor.

D. Thrust bearing is a Timken T-611 with a B-10 life of 242,400 hours at 5,000 PSI and 100 RPM.

E. Tangential opening feed throat machined from high strength ductile iron, cored for water cooling and includes a hardened liner.

F. The barrel is fabricated from SAE 4140 steel with bimetallic liner and has a pressure rating 10,000 PSI. A safety rupture disc is supplied at the discharge end. The barrel is divided into four (4) zones of ceramic heaters for heating and individual high air volume blowers for cooling. The barrel and heaters are covered with insulated guards.

G. Extruder drive is a 100 HP, D.C., 1750 RPM constant torque system. It includes an open drip-proof motor, cooling blowers and filter. All drive controls are mounted in the main extruder control panel. 460 volts/ 3 phase/ 60 hertz.


50" wide x 30" high clear platen press with three (3) heavy duty tie bar construction, giving the operator unlimited access for ease of, part removal and mounting of molds. The following specifications apply:

A. Clamp Tonnage:                        90 Tons
B. Maximum Platen Opening:         50"
C. Minimum Platen Opening:          12"
D. Vertical Height Adjustment        +4"
E. Side to Side Adjustment.
F. Auto Press Gate (pneumatic).
G. High speed press closing - 1200 in/min.
H. Roll-away press section mounted on v-grooved wheels and track.

The platens and end frames are fabricated from 1020 steel. The end frames are designed to support the three tie bars. The heavy duty platens are clamped and opened by two hydraulic cylinders per platen. These cylinders are mounted on the end frames with the actuating rods connected to the platens for even and complete clamping force distribution. Hartig's unique platen timing chain system assures symmetrical clamp closing.

Included are flexible hydraulic hoses and piping between the press and unitized base.

For operator safety, a hydraulic and electrical safety system is provided to prevent press movement while press gates are open. The press area is enclosed with expanded metal to ensure safe operation.



The system is designed to store energy in the dwell period of the machine cycle (high pressure clamp). The energy is stored in the form of pressure by using accumulators, which reduces the size of pumps, motors and charging valves.


An A.C. motor drives a pressure compensated pump, which primary function is high pressure clamp. The secondary pump function is to charge the three accumulators. The accumulators are used for press and head movement and programming tooling. Sequencing of the pump and isolation ot the programmable tooling is accomplished by a small manifold. This manifold also contains a pressure relief valve for pump protection, a solenoid operated dump valve, and gauges required for pressure set-up.

A large manifold using cartridge valves actuates the press and head functions. Press speed is accomplished by selected valves having adjustable mechanical limiters. The single head design will use the mechanical limiters for ram forward and fill rate.


An A.C. motor driving a fixed vane pump provides oil flow through a filter and a thermostatic controlled heat exchanger. The filter is low pressure spin on type having optional elements for water removal. A high performance heat exchanger utilizes fins to extract heat, requiring fewer tubes and 50% less water.


A cam operated valve located at the press gate is used for hydraulic safety of gate position. In open position, the valve prevents head and press movement. The pilot logic of the directional cartridge valves are controlled by small solenoid cartridge operated valves which must be energized at the same time for each machine functions. This lessens the possibility of a single valve sticking allowing an undesired continuation of motion.

All necessary valves are manifold mounted and the entire system is prepiped and prewired.


Includes required regulators, filter and valving for air blow and pre-blow


Customer's choice of either:
Dual (2) Hartig Model 33A14 Accumulator Head designed for a dual10 lb. shot, or a Hartig single head designed for a 20 pound shot with a first-in, first-out flow configuration proving optimum parison uniformity. The unique co-axial dual hydraulic cylinders provides a rapid parison drop and high precision parison programming.

The dual head tooling size range is 12 in. diameter maximum and 4 in. diameter minimum.

The head is designed for rapid color change, ability to process difficult materials, and air passage for top blow.


The control panel is a three-door NEMA enclosure with main power disconnect shock mounted on the unitized base wired 460 volts/ 3 phase/ 60 hertz. The following components are included:

A. Barber-Coleman MACO 8000 Microprocessor control system with touch screen operator's station for control of the following functions:

     1. Control temperature on all zones displayed via operator's station. (Up to 96 zones available) The system provides independent zone temperature control and can be independently tuned .

     2. Total machine sequential control up to 100 independent timer functions available depending on number of sequence modules in system.

     3. Solid state cartridges for program and control parameter storage.

     4. Parison process control with individual weight and die gap settings and graphic display of profile setpoints.

     5. 12" programmable touch sensitive CRT display.

     6. Parison programming controls of up to 100 points per head

The exclusive use of individual control modules allows initial system to be easily expanded to meet future requirements.

Sequence control is accomplished by the use of an IBM or IBM compatible personal computer using industry standard JIC graphic symbols.


* Two auxiliary hydraulic circuits and valves
* Part strippers
* 4 Station auxiliary pneumatic valves
* Screw rebuilt to Hartig specification 6/95
* Press rebushed 6/95
* Machine is running, in excellent condition