Press Section TRIZ Cases

Segmented rectangular modules and cross beams reduce manufacturing time and costs by enabling reusable frames for varied web forming machine configurations.

Image analysis detects sealing strip and edge deckle positions to resolve manual estimation errors in suction roll dewatering efficiency.

Row-mounted hydraulic pistons replace complex linkages in the shoe press, reducing manufacturing costs and structural complexity.

Cellulose ester staple fibers increase web strength to withstand higher press loads, reducing dryer energy consumption during high-speed production.

A pressing arrangement uses a transfer belt to guide fibrous webs between suction and central rolls.

Circumferential sensor arrays average pressure readings on sensing rolls to cancel rotational variability effects.

Naphthalene diisocyanate polyurethane press jacket layers resolve chemical resistance and swelling contradictions.

A shoe press belt uses a polyurethane resin layer formed from specific urethane prepolymer and polycarbonate diol components.

A press section framing structure uses a longitudinal beam supported on vertical stands to enhance operational stability.

Replacing suction boxes with a mechanical belt press reduces fiber loss and energy consumption while boosting production capacity.

Trapezoidal water drain grooves with chamfered corners reduce crack occurrence and cutter damage while maintaining dewatering efficiency.

A smooth transfer belt carries a paper web through a press nip, preventing remoistening and boosting production output.

A shoe press belt uses polyurethane resin with polymeric MDI to enhance mechanical strength.

A polyurethane press cover uses PPDI prepolymer and C6-14 diol crosslinker to enhance mechanical strength.

A suction-controlled guide roller stabilizes fibrous web travel in paper machine press sections.

Semicircular arc groove ends reduce stress concentration at corner parts, preventing cracks and wear while maintaining water expulsion efficiency.

A polyurethane press cover uses a specific polyether and polycarbonate matrix to resist water and oil exposure.

A steam blow box positioned below the fibrous web applies upward heat to increase dry content while preventing condensation water damage.

A deflection-compensated roll applies treatment substances to paper webs through a single nip unit.

Covalently bonded polydialkylsiloxane in a polyurethane matrix reduces friction and wear, resolving dewatering inefficiencies in paper machines.

Segmented accelerometer thresholds filter noise signals to determine rotative position accurately.

High molecular weight polyols in crosslinked polyurethane sleeves balance wear resistance with flexibility for shoe press applications.

Smooth groove depth transitions eliminate structural damage from stepwise changes while maintaining efficient water removal.

Asymmetric air inlet positioning minimizes turbulence and energy consumption while maintaining consistent suction across the roll length.

Adjustable drainage openings in a press roll cover vary cavity volume to maintain dewatering performance across different web grammages.

A press unit deforms sheets while sensors detect position changes to determine rigidity levels during continuous transport.

A double pressing unit uses a pivotable bearing lever and external adjusting mechanism to position the press roll against the counter-press roll.