Ordering Replacement Vacuum Cups: A Buyer's Checklist
Prepare a replacement vacuum cup order with exact model quantities, fitting checks, delivery details and purchasing documents. Avoid cup and fitting mix-ups.
Read technical guide →Industrial Technical Guides & Resources
Browse practical selection, installation and purchasing guides by the same product families used in our catalogue. Confirm every model against its drawing and application requirements.
Vacuum Cups & Handling14 guides
STP35 vs STP60: Cup and Assembly Buying Guide
Compare BOLTTE STP35 and STP60 model groups, cup-only replacements and assembly options. Check mounting, included parts and order details before buying.
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Down-Filling Silicone Vacuum Cups: Selection Guide
Select 60 mm or 84 mm down-filling silicone vacuum cups by opening, height and tooling fit, then install and validate the setup in production.
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SLB-50 Thin-Lip Vacuum Cups: Buying and Setup Guide
Choose SLB-50 thin-lip vacuum cup assemblies by material, air connection and pickup surface, then verify fit, holding performance and safe production use.
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Vacuum Cups for Glass and Smooth Panels: Selection Guide
A practical guide to choosing vacuum cups for glass and smooth panels, covering surface protection, material, diameter, layout, monitoring and validation.
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Vacuum Cups for Sheet Metal Handling: Selection Guide
A practical guide to selecting vacuum cups for sheet metal, including oil, flatness, edges, holes, material, diameter, layout and production-speed validation.
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Vacuum Cups for Porous Materials: Cardboard, Wood, Foam and Textured Surfaces
Select vacuum cups for cardboard, wood, foam and textured surfaces by leakage rate, cup profile, vacuum flow and handling conditions.
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Vacuum Cup Maintenance Checklist: Daily Inspection, Cleaning and Replacement
A practical daily, weekly and monthly vacuum cup maintenance checklist for preventing leaks, slow pickup, premature wear and unplanned downtime.
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Vacuum Cup Troubleshooting: Leaks, Weak Grip and Slow Pickup
Diagnose vacuum cup leaks, weak holding force, slow pickup, dropped parts and rapid wear with a practical inspection sequence.
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Vacuum Cup Selection Guide: Shape, Material, Size and Load
Choose a vacuum cup by workpiece surface, profile, material, diameter, load, motion and mounting, with links to detailed BOLTTE guides and products.
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Flat vs Bellows Vacuum Cups: How to Choose the Right Profile
Compare flat, single-bellows and multi-bellows vacuum cups by surface shape, height compensation, stability, response time and handling risk.
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How to Calculate Vacuum Cup Holding Force and Select Cup Diameter
Calculate vacuum cup holding force from pressure and sealing area, apply safety factors and motion loads, then choose and validate cup diameter.
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How to Choose Vacuum Cups for Bag Opening and Packaging Machines
A practical selection method for bag-opening cups covering film, pickup point, diameter, profile, leakage, vacuum flow, mounting and production testing.
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Silicone vs NBR Vacuum Suction Cups: Material and Temperature Guide
Compare silicone and NBR vacuum suction cups by temperature, oil resistance, wear, sealing behavior and application before choosing a material.
Read technical guide →Vacuum System Components5 guides
How to Choose Vacuum Cup Holders, Fittings and Spring-Loaded Mounts
Choose vacuum cup holders by cup thread, mounting thread, port direction, tube size, stroke, height variation and workpiece sensitivity.
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Vacuum Generator Selection: Flow vs Vacuum Level
A vacuum generator must match the workpiece leakage, evacuation time and available utilities, not simply the highest vacuum number. This guide explains how…
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Vacuum Tubing: Diameter, Length and Response Time
Slow pickup can originate in the tubing between a functioning generator and a correctly selected cup. Diagnose the pneumatic path before increasing the…
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Vacuum Filter Selection and Element Maintenance
Vacuum filters protect the downstream circuit from particles drawn in at the workpiece. Selection also affects restriction and maintenance access. Identify…
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Vacuum Branch Valves: Function and Compatibility
A multi-cup tool may lose vacuum through a cup that misses the workpiece. Branch valves can address specific circuit conditions, but a logic valve, check…
Read technical guide →Pneumatic Components5 guides
Pneumatic Air Manifolds: Ports and Tubing Guide
Choose pneumatic air manifolds by outlet count, thread, fitting type and tubing. Check air preparation, pressure drop and installation before ordering.
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Pneumatic Regulators: Set Pressure vs Flow Demand
A pressure gauge can show the desired setting while an actuator still responds poorly during a cycle. Assess the regulator under flow, not only at rest. Use…
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Pneumatic Speed Control: Meter-In vs Meter-Out
Cylinder speed depends on controlled airflow and load behavior, not merely the regulator setting. Meter-in and meter-out flow controllers act in different…
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Push-In Fittings: Tube OD and Thread Checks
A push-in fitting must match the tubing and the threaded or panel interface independently. Similar dimensions do not guarantee a sealed pneumatic…
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Exhaust Silencers: Backpressure and Maintenance
A pneumatic exhaust silencer reduces emitted noise, but its connection and flow capacity also belong in the circuit review. A clogged or undersized exhaust…
Read technical guide →Mechanical & Power Transmission5 guides
Shaft Couplings: Bores, Fastening and Alignment
Select shaft couplings by both bores, fastening, space and operating requirements. Compare rigid and bellows designs without assuming equal performance.
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Rigid vs Flexible Shaft Couplings: Selection
Rigid and flexible shaft couplings connect rotating components, but they solve different assembly problems. Start with shaft alignment, mounting conditions…
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Keyless Locking Assemblies: Shaft and Hub Checks
A keyless locking assembly belongs to a shaft-to-hub connection, not a shaft-positioning collar. Correct selection requires the mating shaft, hub bore and…
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Split Shaft Collars vs Locknuts: Retention Checks
A split collar and a precision locknut can both appear near a bearing or shaft end, but their mating interfaces and retention methods differ. Choose the…
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Jaw Coupling Spiders: Identify the Replacement
A worn jaw-coupling spider is a replaceable element, but matching its outside diameter is not enough to establish fit. Identify the installed hubs and the…
Read technical guide →Robot Grippers & Fixtures5 guides
Robot Gripper Fixtures: Mounting and Load Checks
Plan robot gripper fixtures around interfaces, finger geometry, tool mass, routing and validation. Use drawings to select mounting rods and connectors.
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Robot Gripper Selection: Fingers, Load and Space
A gripper that fits the robot flange can still be unsuitable for the workpiece. Selection must include the fingers, contact geometry, motion and available…
Read technical guide →Replacement Gripper Jaws: Fit and Contact Checks
A replacement jaw changes the tool's contact geometry even when it bolts onto the same gripper. Match the original interface, opening behavior and workpiece…
Read technical guide →Robot Fixture Rods and Brackets: Layout Checks
Adjustable rods and brackets help position cups and grippers, but adjustment range alone does not establish a stable tool. Review the entire fixture layout…
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Gripper Signal Combiners: Wiring Review Checklist
A signal combiner links sensor information within a tooling control arrangement. It is not automatically a safety controller or a substitute for a verified…
Read technical guide →Seals, Bellows & Buffers5 guides
Rubber Bellows and Seals: Fit and Compatibility
Select rubber bellows and seals by full profile, mounting, travel and operating conditions. Separate dust protection from pressure sealing and cushioning.
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Seal Materials: EPDM, NBR and Process Conditions
A seal material name is only the beginning of a compatibility review. The compound, fluid, cleaning process and mechanical fit all influence suitability…
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Tri-Clamp Gaskets: Profile, Material and Fit
A nominal pipe or clamp size does not completely specify a tri-clamp gasket. Verify the actual ferrule interface, gasket profile and process requirements…
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Polyurethane Buffer Bolts: Mounting and Duty
A polyurethane-headed buffer bolt can provide protective contact at a machine stop, but thread size does not define allowable impact energy. Select the…
Read technical guide →Rubber Bellows: Travel and Mounting Measurements
A dust bellows must fit its mounting ends while accommodating the mechanism's actual travel. One overall height measurement cannot establish compressed or…
Read technical guide →Laboratory & Mixing Supplies5 guides
PTFE Stir Bars: Shape, Size and Temperature Checks
Choose PTFE magnetic stir bars by vessel shape, exact diameter and length, magnetic coupling and temperature limits. Verify series and pack contents.
Read technical guide →Magnetic Stir Bar Spinout: A Test Checklist
A stir bar that stops following the magnetic drive may rattle, move irregularly or cease effective mixing. Increasing speed is not necessarily the solution…
Read technical guide →PTFE Stir Bars: Cleaning and Inspection Records
Cleaning a magnetic stir bar involves both removal of residues and inspection of the coating. PTFE's general material properties do not authorize every…
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High-Temperature Stir Bars: Verify the Assembly
A high-temperature series label is a supplier designation, not an independently verified operating limit for the complete stir bar. Review coating, magnetic…
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Stir Bar Dimensions: Vessel Clearance and Packs
Choosing a stir bar requires the vessel's usable bottom geometry and the bar's full dimensions, not just a short model name. Pack quantity is a separate…
Read technical guide →Custom Manufacturing5 guides
Custom Manufacturing: Drawing and RFQ Checklist
Prepare a custom manufacturing enquiry with a controlled drawing, material, tolerances, quantities and inspection needs. Confirm a quotation before production.
Read technical guide →CNC Metal Parts: Specify Grade and Finish
A request for a stainless steel, aluminum, copper or steel part is incomplete without the material grade and drawing requirements. Define the service and…
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CNC Plastic Parts: Nylon, PTFE and Grade Checks
Plastic is a material category, not a complete machining specification. Nylon, PTFE and other engineering polymers require grade-specific review of geometry…
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Custom Gear RFQs: Tooth and Mating-Part Data
A gear quotation needs more than outside diameter and tooth count. Supply the tooth system, mounting features and mating-part information so the geometry…
Read technical guide →One-Piece Prototypes and Small-Batch CNC Orders
A one-piece prototype can answer a useful design question when its purpose and acceptance criteria are clear. BOLTTE accepts one-piece and small-batch…
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