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Phone: +86 16626708626Description
3. Key Technical Specifications
| Parameter | Specification / Value |
| Manufacturer | Columbia Marking Tools (CMT) |
| Part Number | 288SP-OB-25-D |
| Marker Type | Pneumatic Reciprocating Impact Cylinder |
| Impact Force | Up to 2.5 Tons (at 80 PSI air supply) |
| Mounting Configuration | Outboard Flange Mount (OB style) |
| Operating Pressure | 20 to 80 PSI (1.4 to 5.5 bar) Air Supply |
| Stroke Type | Double-Acting (Pneumatic Extend & Retract) |
| Standard Rod/Tool Holder | Accepts standard CMT type holders and character stamps |
| Body Construction | Heavy-Duty Machined Steel Alloy Body |
| Packaging | Factory Anti-Static / Corrosion-Inhibited Packaging |
4. Product Introduction & Supply Chain Strategy
This product is a Brand New Surplus unit. It is not used, not pulled from a decommissioned plant, and not refurbished. All modules undergo rigorous quality verification to ensure OEM-level reliability. The Columbia Marking Tools 288SP-OB-25-D air impact marker provides high-force, repeatable part stamping across automated transfer lines, metal stamping presses, and robotic assembly cells.
Holding this pneumatic cylinder as New Surplus establishes a vital buffer against unexpected line stoppages. In high-volume automotive and metal fabrication plants, a failed marking cylinder brings down serial trace validation, creating costly bottlenecks. Lead times for specialized impact markers can extend to several weeks during supply chain pinches. Refurbished marking actuators carry hidden risks of internal seal bypass, shaft scoring, and inconsistent impact force. Purchasing genuine New Surplus guarantees OEM impact repeatability while lowering your Total Cost of Ownership (TCO) compared to standard list prices.
5. Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
- Apply Lock-Out/Tag-Out (LOTO) procedures to line pneumatic supply headers and dump all residual air pressure.
- Put on protective safety glasses and work gloves before handling heavy pneumatic tooling.
- Inspect the mounting face and tool holder shank of the 288SP-OB-25-D unit to confirm zero debris or shipping rust.
Stage 2: Removal
- Unplug the dual pneumatic air lines from the quick-connect or NPT port fittings on the old cylinder.
- Unbolt the stamp holder or retainer head from the piston rod end.
- Remove the outer flange mounting bolts and detach the failed cylinder straight back from the fixture frame.
Stage 3: Installation (Clone & Seat)
- Align the new 288SP-OB-25-D cylinder onto the mounting plate using its integrated outboard flange.
- Torque mounting bolts in a cross pattern to manufacturer specifications to handle high-impact shock loads.
- Reattach the character stamp holder to the piston rod, ensuring set screws are torqued down securely.
Stage 4: Power-On & Testing
- Reconnect the pneumatic extend and retract supply lines using thread sealant on NPT joints.
- Slowly pressurize the main supply line to 40 PSI and cycle the cylinder manually to check stroke alignment.
- Increase air pressure to operational specification (60–80 PSI) and run test stamps on sample stock to verify depth and character clarity.
1.Pre-Installation & Setup:Line safety & inspection.
Isolate pneumatic supply lines using LOTO protocols. Inspect the new 288SP-OB-25-D mounting face, rod threads, and ports for clean assembly.
2.Cylinder Removal:Mechanical extraction.
Disconnect supply air hoses and remove stamp holders. Unbolt the outboard flange fasteners and pull the worn marker clear of the fixture frame.
3.Hardware Mounting & Tooling:Flange alignment & torque.
Position the new marker using the outboard flange. Tighten mounting bolts securely to withstand high impact force, then secure the stamp head onto the rod.
4.Validation & Operational Test:Pressure check & trial stamp.
Reconnect pneumatic lines and restore air pressure incrementally. Test-fire the marker on test plates to verify impact depth and seal integrity.
288SP-OB-25-D
288SP-OB-25-D
6. Firmware/Software Versions & Upgrade Notes
- Control Interface: The 288SP-OB-25-D is a purely mechanical/pneumatic actuator governed by 4-way directional solenoid valves (no onboard firmware required).
- Solenoid Compatibility: Fully compatible with standard 24 VDC or 120 VAC PLC-driven pneumatic directional control valves.
- Maintenance Warning: Always maintain an inline air lubricator/filter regulator unit. Running the cylinder dry or with contaminated plant air will damage internal seals and shorten piston lifespan.
7. Frequently Asked Questions (FAQ)
Q: Is the Columbia Marking Tools 288SP-OB-25-D marker new or refurbished?
A: This unit is 100% Genuine New Surplus. It has never been installed on an active production line, features factory-fresh seals and unmarred mounting surfaces, and arrives in protective packaging.
Q: Why should I choose New Surplus over a refurbished pneumatic marker?
A: Refurbished impact cylinders frequently suffer from internal wall scoring, worn wiper seals, and fatigued return springs that lead to erratic impact forces and air leaks. In automated manufacturing, inconsistent stamp depth leads to unreadable serial numbers and rejected parts. New Surplus guarantees factory-level stroke force and zero seal bypass.
Q: What does the “OB” designation mean in the part number?
A: The “OB” designation indicates an Outboard Flange mounting style, allowing the cylinder to bolt securely from the front face of a tooling plate or automated machine frame.
Q: Can I adjust the impact force of this marker?
A: Yes. Impact force is directly controlled by adjusting the incoming pneumatic air supply regulator. Raising air pressure increases impact energy up to its 2.5-ton maximum capacity.
Q: What warranty coverage applies to this marker?
A: We provide a comprehensive 1-year replacement warranty on this 288SP-OB-25-D unit, giving you total operational confidence compared to standard short-term used surplus terms.
