Woollard & Henry (Woollard & Henry Engineering) equipment and components

Industrial dandy roll systems, security watermarks, and web profiling equipment from Woollard & Henry (Woollard & Henry Engineering) engineered for high-performance paper mills, banknote production, and composite plants.

Woollard & Henry (Woollard & Henry Engineering) dandy rolls and dandy systems

Precision dandy rolls from Woollard & Henry (Woollard & Henry Engineering) with diameters from 200mm to 2000mm. Reinforced body with opposing geodetic wire winding ensures outstanding structural stability at modern machine speeds.

Roll body diameters from 200mm up to 2000mm tailored for machine deckle widths to 10m
Geodetic wire winding technology ensures high rigidity and minimal deflection
Optimized sheet formation, surface uniformity, and fiber consolidation across grades
Technical selection of full dandy assemblies, bearing housings, and drive packages

Woollard & Henry (Woollard & Henry Engineering) security watermarking solutions

Security watermark designs and tooling from Woollard & Henry (Woollard & Henry Engineering) for currency, banknote, passport, and high-security specialty papers. In-house electrotype and embossed relief watermark manufacturing delivers seamless cloth integration with invisible seams.

Electrotype watermarks providing high-contrast optical clarity for security detection
Embossed multi-tone watermarks with subtle tonal graduations and three-dimensional relief
Seamless wire cloth integration preventing seam marks and formation distortion
Custom watermark artwork development under stringent anti-counterfeiting protocols

Woollard & Henry (Woollard & Henry Engineering) under dandy vacuum boxes

Engineered dewatering under dandy vacuum boxes by Woollard & Henry (Woollard & Henry Engineering) positioned directly beneath the dandy roll nip. Delivers precisely managed suction to enhance sheet consolidation and lock in watermark definition.

Enhanced watermark definition and paper consolidation via localized suction control
Robust acid-resistant stainless steel AISI 316L fabrication for long wet-end life
Top cover options in high-grade engineered ceramics or ultra-high molecular weight PE
Bespoke suction box dimensions, manifold flanges, and vacuum regulating valves

Woollard & Henry (Woollard & Henry Engineering) upstream and downstream save-all trays

Comprehensive save-all tray assemblies from Woollard & Henry (Woollard & Henry Engineering) engineered to prevent roll wash droplets and fiber fling from damaging wet sheet formation. Complete with integrated catch rolls and doctor blade wiping assemblies.

Upstream Save All Tray captures and removes water and fibers from high-pressure washing
Downstream Save All Tray prevents droplet carryover past the wet formation line
Integrated catch rolls and precision doctor blades ensure dry and clean roll operation
Replacement doctor blades, spray shields, and custom stainless collection trays

Woollard & Henry (Woollard & Henry Engineering) AccuSteam moisture profiling showers

Advanced steam profiling systems from Woollard & Henry (Woollard & Henry Engineering) designed for press and wire sections of paper machines. Controlled zonal steam impingement heats the wet sheet, reducing water viscosity and significantly enhancing press dewatering efficiency.

Multi-zone steam application for precision transverse moisture profile management
Reduces thermal load in drying section while enabling 5% to 15% line speed gains
Robust pneumatically or electrically actuated segment control valves across sections
Technical sizing of internal diffusers, steam manifolds, and insulated jackets

Woollard & Henry (Woollard & Henry Engineering) dandy wire cloth covers and jackets

Precision woven wire cloth covers and dandy jackets from Woollard & Henry (Woollard & Henry Engineering) fabricated from phosphor bronze and stainless steel alloys. Tailored weave specifications ensure maximum wear resistance, structural firmness, and clean sheet release.

Alloy selection in phosphor bronze and acid-resistant AISI 316 stainless wire
Diverse weave patterns including twilled, plain, spiral, and triple-warp architectures
Factory-seamed slip-on tubular covers and open flat covers for on-machine fitting
Seaming wire kits, soldering supplies, and specialized roll jacket tensioning clamps

Woollard & Henry (Woollard & Henry Engineering) WH Lipex glass and basalt fiber plants

Complete production plants and specialized equipment from WH Lipex, a Woollard & Henry (Woollard & Henry Engineering) business unit, for continuous basalt and glass fiber manufacturing. Covering furnaces, platinum-rhodium bushing assemblies, sizing applicators, and high-speed winders.

Turnkey design and equipment packages for modern continuous basalt and glass fiber lines
High-efficiency melting furnaces and advanced platinum-rhodium bushing feeders
Precision chemical sizing application rollers and tension-controlled roving winders
Refurbishment of fiber-forming hardware, raw material batching, and DCS integration

Woollard & Henry (Woollard & Henry Engineering) CNC precision machining and subsea housings

Advanced multi-axis CNC machining and contract fabrication services from Woollard & Henry (Woollard & Henry Engineering) facilities in Aberdeen and Gdansk. Manufacturing deepwater subsea pressure housings rated to 1,000m, manifold skids, and DNV 2.7-1 / BSEN 12079 structural frames.

3-axis and 5-axis CNC milling and turning for stainless steels, titanium, and exotic alloys
Coded structural welding verified to DNV 2.7-1, Lloyd's Register, and BSEN 12079 standards
Production of subsea instrumentation pressure housings proof-tested for 1,000m water depth
In-house Coordinate Measuring Machine (CMM) verification and qualified CSWIP inspection sign-off

Geodetic structural engineering and body construction of Woollard & Henry (Woollard & Henry Engineering) dandy rolls

Engineered dandy rolls from Scottish manufacturer Woollard & Henry (Woollard & Henry Engineering) in the Dandy Rolls series feature an open internal skeleton supported by opposing geodetically wound structural wire.

This geometrical design delivers exceptional torsional rigidity and eliminates dynamic deflection under high-speed operation up to two thousand meters per minute on modern wide-wire fourdrinier paper machines.

The open framework design actively prevents wet fiber build-up inside the roll cage, avoiding rotational imbalance and costly sheet breaks. Uniform wire cloth tension over the roll circumference guarantees flawless sheet consolidation, closed paper formation, and uniform surface look-through.

Precision manufacturing of electrotype and embossed relief watermarks for high-security papers

For banknote, passport, and tamper-resistant security papers, Woollard & Henry (Woollard & Henry Engineering) engineers bespoke watermark designs crafted in dedicated artisan studios.

High-density electrotype metallic plates yield high-contrast white watermark outlines with sharp optical density profiles optimized for automated machine-readable inspection equipment. Embossed multi-tone relief watermarks introduce subtle light-and-shade gradations for intricate security portraits.

Advanced micro-welding methods integrate custom watermark figures seamlessly into the wire jacket, eliminating visible seam marks and avoiding formation disruptions across sensitive security webs.

Dewatering kinetics and watermark retention using Under Dandy Box vacuum systems

Engineered Under Dandy Box vacuum units from Woollard & Henry (Woollard & Henry Engineering) mount directly beneath the fourdrinier wire along the dandy roll nip impression zone.

Controlled localized suction removes drainage water quickly, stabilizing wet fibers and permanently locking in the crisp definition of the newly formed watermark pattern before downstream transfer.

The rigid vacuum box body is fabricated from corrosion-resistant AISI 316L stainless steel, while wire-contacting wear blades utilize polished alumina ceramics or ultra-high molecular weight polyethylene, dramatically extending the operational lifespan of expensive forming fabrics.

Droplet elimination and web formation protection via Save All Trays and doctor wiping blades

Comprehensive mist elimination assemblies from Woollard & Henry (Woollard & Henry Engineering) in the Save All Trays line comprise upstream trays, downstream shields, catch rolls, and precision doctor blades.

The upstream collection tray traps spray mist and loose fibers originating from roll internal washing showers, diverting effluent safely to drainage manifolds.

The downstream tray creates a barrier preventing droplet throw from crossing beyond the dry formation line, safeguarding the consolidated paper surface from drops and crater defects.

Synchronized catch rolls and polymer doctor blades wipe liquid films continuously from the rotating shell, maintaining dry operating hygiene.

Cross-directional moisture profiling and press dewatering enhancement with AccuSteam showers

Advanced moisture profiling showers from Woollard & Henry (Woollard & Henry Engineering) in the AccuSteam portfolio mount across paper machine press and wire sections to optimize moisture extraction.

Regulated zonal impingement of dry saturated steam warms the moist fiber mat, lowering water viscosity and surface tension within web micro-capillaries.

This reduction enhances mechanical water extraction in heavy press nips, raising sheet solids ahead of the dryer section by several percentage points and unlocking substantial machine speed gains while lowering steam consumption in steam heated dryer cylinders.

High-precision multi-axis CNC fabrication and subsea deepwater pressure vessel production

Manufacturing facilities operated by Woollard & Henry (Woollard & Henry Engineering) in Aberdeen and Gdansk deliver precision 3-axis and 5-axis CNC machining for marine energy, subsea systems, and chemical processing plants.

The facilities produce deepwater subsea instrumentation pressure housings tested to hydrostatic ratings corresponding to one thousand meters water depth, alongside structural manifolds and offshore transport skids meeting DNV 2.7-1 and BSEN 12079 certifications.

Comprehensive quality control relies on high-resolution Coordinate Measuring Machines (CMM) and qualified CSWIP inspection sign-off protocols.

Woollard & Henry / Woollard & Henry Engineering and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Woollard & Henry / Woollard & Henry Engineering and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.