8 Ram Static Load and Pull Tester

SCHAP’s 8 Ram Static Load and Pull Tester

• (8) 45kN (10k lbs.) Hydraulic cylinders (2-1/2” bore x 1m (40”) stroke) with low friction seals.
• (8) Cylinders with internal displacement transducers inside the rods (not susceptible to external damage or rotation measurement errors).
• (3) 150mm (6”) Diameter solid steel cross beams with swivel mounted rear clevis blocks.
• Cylinders adjustable height from 250mm (9.8”) up to 2.5m (98”).
• Cylinders adjustable width up to 2m (78”) wide.
• Dual forward support frame members bolted to bedplate.
• Single power lift for all cross beams (jogged one at a time).
• Manual end clamping of cross beams.
• Two way (gimbal type) rear mounting of all cylinders allowing for free floating cylinder alignment during pulls.
• Individually counterbalanced cylinders, using overhead winches and extension springs. Each cylinder has zero net weight.
• (8) Servo-proportional hydraulic valves.
• (8) Load cells rated for 10k lbs. of compression & tension. .
• All necessary hydraulic plumbing.
• (3) Custom made 3 station aluminum manifolds with ports to accumulators, actuators, dump valves, check valves. Located underneath safety plates.
• Design will be in 3-D AutoCAD design. 2-D Drawings will be provided for approval upon order.
• Framing and bedplate will be powder coated to customer specified RAL numbers.

 Accumulator system, including:

• (8) Hydraulic accumulators (one for each cylinder) w/ mounting brackets
• Check valves and safety power valves.
• This prevents data “cross talk” upon partial load separation on any of the cylinders.
• All necessary hydraulic plumbing is included.
• Safety 3-way power dump valve & adjustable bleed down control. 

 PC based control & data acquisition system, including:

• Custom floor standing console.
• Rack mount PC w/ monitor, key board & mouse.
• National Instruments DAQ cards & break-out boards.
• (8) Digital closed-loop PID controllers, pre-tuned prior to shipping.
• (8) Load cell signal conditioners, one for each cylinder.
• (12) Auxiliary sensor channels.
• “Dead-man” switch for test operation.
• All necessary Windows OS software.
• Custom test program in VB.net, written and supported by our staff.
• System debug, tuning and customer training on our floor.

Stand-alone hydraulic power unit, including:

• 15HP Stand-alone hydraulic power pack (accommodates up to 9 cylinders).
• Complete electrical controls, including 480V 3-phase disconnect and fuses.
• 10 Micron pressure filtration and 10 micron return filtration.
• Safety 3-way power dump valve & adjustable bleed down control.
• Automatic high temperature and low oil level sensing and shut-down.
• On board air cooler for the hydraulic oil. 

Fabricated steel bedplate, including:

• 5m (8.2’) x 4.5m (14.7’) overall size.
• One-piece construction.
• Non-precision mounting surface (flat within +/- 3mm (1/8”)).
• T-slots on 150mm (6”) centers, perpendicular to load direction.
• Powder coated on all surfaces.
• 12 Tapped fixture mounting nuts included. More available upon request.
• Other bedplate sizes available upon request.