MNM Scales 10,000 lb Compression Scale for Hydraulic Press & Shop Press Force Testing
- pete8781
- Jul 29
- 3 min read
Need help measuring a hydraulic or shop press? Call MNM Scales at (832) 290-3120 or email mnmscales@yahoo.com.
The MNM Scales 10,000 lb compression scale for hydraulic press and shop press force testing gives fabricators, repair shops and manufacturing teams a direct way to measure the force delivered at the press tooling. Instead of estimating pressing force only from hydraulic pressure, cylinder bore or a machine nameplate, the low-profile load cell measures the compression that actually reaches the fixture at the point where it is installed.
Why Measure Press Force Directly?
Hydraulic pressure is useful, but pressure by itself does not account for every loss, geometry change or friction source between the pump and the workpiece. A compression load cell placed in the force path measures the delivered reaction force. That can help compare presses, validate a repair, establish a repeatable setup for bearing installation, study forming force, confirm a fixture reaches the expected load or create a more quantitative shop procedure.
10,000 lb Range for Light and Medium Press Work
The 10,000 lb capacity corresponds to 5 tons of force, making this configuration useful for many controlled bench, arbor, pneumatic and hydraulic press tasks that remain below that load. The 0.5 lb display increment gives much more detail than a coarse tonnage gauge. Do not use the load cell to measure a press whose possible output can exceed 10,000 lb unless the machine is mechanically or hydraulically limited to keep the sensor within capacity.
Load Placement Between Press Platens
Position the disk on a rigid support directly under the press ram or load-spreading plate. The top contact should distribute force across the intended loading surface rather than press on an edge or small point. If the ram is narrow, use an appropriately engineered loading button or plate that stays centered. Verify alignment at low force before increasing load; a ram that visibly walks sideways or a platen that tilts under load will compromise both measurement and safety.
Peak Hold for Maximum Pressing Force
Some press operations have a clear maximum just before a part seats, a bearing moves, a joint releases or a formed component reaches its final position. Peak Hold on the OP-901 can retain that maximum. This is useful when a shop wants a simple pass/fail window—such as verifying that a bearing installation required a force within a known process range—without requiring an operator to watch the display continuously.
Press Applications That Benefit From Force Data
Examples include bearing and bushing installation, press-fit assembly, fixture clamping, small forming operations, component seating, controlled straightening, material compression trials, comparing hydraulic cylinders, checking a repaired press, and determining the load at which a mechanical assembly begins to move. Force data is particularly valuable when a successful operation has a known process window and operators need to identify unusually low or high force.
OP-901 Features for Press Work
The OP-901A/B family offers Peak, manual and automatic Hold modes, tare/zero functions and RS232C. A rechargeable battery keeps the display portable around the shop. RS232 can support a compatible printer or computer workflow when a shop wants to record press-force results. The manual specifies a 10-sample-per-second A/D rate, which is suitable for many slow press operations but should be considered when evaluating very rapid impacts or highly dynamic events.
FAQ
Can this measure a 5-ton press?
The sensor is rated for 10,000 lb, which equals 5 tons-force. The press and procedure must prevent loads above that capacity.
Can it replace a hydraulic pressure gauge?
It answers a different question. A pressure gauge measures fluid pressure; the load cell measures delivered mechanical compression at its location.
Can it record peak force?
Yes. Peak Hold is a key OP-901 function for retaining the maximum load reached during a press stroke.
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