Machine at a glance

  • Series: HCB double-layer urea toilet seat cover molding machine
  • Best fit: double-layer toilet seat covers, thicker UF seat covers, premium sanitary ware resin parts and custom bathroom products
  • Material scope: urea molding compound, UF powder, amino resin and thermosetting sanitary ware materials
  • Configuration range: HCB-300D to HCB-600D, selected by upper/lower mold sets, synchronized venting, platen size, daylight, mold weight and core-pulling needs
  • Machine advantage: runs two mold sets in one machine to raise output while saving floor space, power use and labor
  • Certification: CE certification available for export projects

Double Layer Urea Toilet Seat Cover Molding Machine

The double-layer HCB urea toilet seat cover molding machine is built for customers producing UF toilet seat covers, thicker seat covers or premium sanitary ware resin parts who want more output from the same factory space. It keeps the advantages of the single-layer HCB press, including heated platens, hydraulic holding pressure, core pulling, daylight and demolding control, then combines two mold levels in one machine.

This machine can press two mold sets at the same time. The upper and lower layers are designed for synchronized venting and pressing, so both levels can maintain consistent density, appearance and curing conditions. With the same operator and less floor space than two separate machines, the customer can increase output while reducing power and labor cost per part.

Key machine advantages

  • One machine runs upper and lower mold sets together for higher double-layer toilet seat output.
  • Synchronized venting and hydraulic holding pressure help keep both UF product layers consistent.
  • Retains the single-layer HCB strengths: heated platens, core pulling, daylight, demolding and PLC operation.
  • Cast-iron upper seat, middle seat and lower cylinder base support machine rigidity; imported components, CE documents and optional IoT monitoring can be discussed by project configuration.

Machine Functions and Molding Control

Two mold sets in one pressThe double-layer HCB press carries one mold set on the upper level and one on the lower level. One operator can manage two UF toilet-seat molding jobs on one machine, increasing output while saving floor space, power use and labor arrangement.
Synchronized venting and holding pressureDouble-layer molding must avoid different results between upper and lower products. Han Chang plans venting, holding pressure and mold closing together so density, appearance and curing conditions stay closer between the two levels.
Thicker UF product moldingThicker seat covers need stable platen temperature and hydraulic holding pressure so the UF compound can cure through the thicker section and reduce surface instability, thickness variation and hinge-area issues.
Space, labor and power savingsBy concentrating two mold sets in one machine, customers can use less floor area, fewer operators and a more compact power arrangement while approaching the output of two single-layer presses.

Model range and specifications

HCB-300D / HCB-400DPractical choices for common double-layer toilet seat covers, thicker UF covers and regular mold sizes.
HCB-500D / HCB-600DSelected for larger double-layer covers, heavier molds and higher-output sanitary ware production, with platen area, daylight and frame rigidity reviewed together.
Double-layer configuration pointsSelection checks upper/lower product thickness, hinge area, core-pulling direction, mold weight, cavity count, platen size and synchronized venting needs.
Output and floor-space efficiencyModel selection should match platen area, daylight, mold weight and upper/lower venting behavior. A well-matched double-layer HCB press lets one machine run two mold sets steadily and raise output per square meter.

Clamping force (Ton) 300
Plate size (m/m) 720×720 900×860
Cylinder diameter (m/m) 450
Stroke (m/m) 560
Daylight (m/m) 800
Pump pressure (kg/cm2) 210
Motor (HP) 15
Heater capacity (Kw) 20
Oil reservoir capacity (gallon) 200
Machine size LxWxH (m/m) 2480x1490x2945
Net weight approx (kg) 9000 10200
Clamping force (Ton) 400
Plate size (m/m) 660×620 720×720 900×860
Cylinder diameter (m/m) 500
Stroke (m/m) 560
Daylight (m/m) 800
Pump pressure (kg/cm2) 210
Motor (HP) 15
Heater capacity (Kw) 27
Oil reservoir capacity (gallon) 250
Machine size LxWxH (m/m) 2580x1500x3800
Net weight approx (kg) 9000 10200 11800
Clamping force (Ton) 500
Plate size (m/m) 800×800 900×900
Cylinder diameter (m/m) 560
Stroke (m/m) 580
Daylight (m/m) 800
Pump pressure (kg/cm2) 210
Motor (HP) 15
Heater capacity (Kw) 30
Oil reservoir capacity (gallon) 250
Machine size LxWxH (m/m) 2810x1705x3135
Net weight approx (kg) 13500 15500
Clamping force (Ton) 600
Plate size (m/m) 900×900 1200×1000
Cylinder diameter (m/m) 620
Stroke (m/m) 580
Daylight (m/m) 800
Pump pressure (kg/cm2) 210
Motor (HP) 20
Heater capacity (Kw) 35
Oil reservoir capacity (gallon) 250
Machine size LxWxH (m/m) 2810x1705x3135
Net weight approx (kg) 16000 18700

How to choose this double-layer toilet seat press

Start with product thicknessThe thicker the cover, the more important platen temperature, holding time, daylight and mold closing become. Han Chang reviews the product drawing before confirming the model and platen configuration.
Confirm upper/lower ventingUpper and lower molds must both release air during compression. Han Chang reviews mold closing, venting, platen temperature and hydraulic holding pressure together, helping both layers produce seat covers with consistent surface, edge and hinge-area quality.
Discuss hinge area and core pulling earlyThe hinge-area shape affects core-pulling direction, demolding space and operator handling, so these conditions directly affect the machine configuration.
Calculate output, labor and floor space togetherThis machine is suitable when the customer wants higher output, less floor-space pressure and a more efficient operator arrangement.
Recommended details before inquiry

  • Double-layer toilet seat drawing or photo, product thickness, hinge-area design and appearance standard.
  • UF material condition, mold size, mold weight, cavity count, core-pulling direction and daylight requirement.
  • Target output, voltage, operator workflow, safety requirement, future automation and export document needs.

Machine service, imported components and export support

Han Chang supports customers through equipment selection, mold and installation discussion, operator guidance, online machine diagnosis and replacement-part coordination. For a double-layer press, upper/lower venting, holding pressure, core pulling and platen heating all need clear machine-status review after installation. Export customers can be supported by Taiwan and Mainland China service teams. Selected configurations can use imported key components such as Mitsubishi PLC, Fuji Electric touch panel and Japanese-brand oil seals, making operation, alarms, maintenance judgment and part replacement clearer.

Double-layer machine service focusService checks focus on hydraulics, platen heating, synchronized venting, core pulling, PLC parameters, sensors, valves, oil seals and alarm status.
Imported key componentsMitsubishi PLC, Fuji Electric touch panel and Japanese-brand oil seals can be included by configuration to support clearer operation and maintenance.
Online machine diagnosisCustomers can provide machine alarms, pressure settings, heating status, venting action and videos for Han Chang to review online before arranging parts or follow-up service.
Export supportCE certification is available for export projects. Document scope can be discussed with the selected model, configuration and customer export requirements.

Double Layer Urea Toilet Seat Cover Molding Machine FAQ

Why choose a double-layer urea toilet seat cover molding machine?

It allows upper and lower mold sets to run in one machine, helping UF toilet seat cover customers raise output, save floor space, reduce labor allocation and lower per-part production cost.

How is it different from a single-layer HCB machine?

It keeps the single-layer HCB advantages of heated platens, hydraulic holding pressure, core pulling and demolding, then adds upper/lower synchronized production and venting so both product layers can stay more consistent.

How does the machine keep upper and lower products consistent?

The key is synchronized venting, holding pressure, platen temperature and mold closing. Han Chang plans these machine actions around product thickness, mold size, hinge area and UF material condition.

What information should be prepared before inquiry?

Prepare the product drawing, thickness, hinge design, UF material, mold weight, cavity count, core-pulling direction, platen requirement, voltage and target output.

What support does Han Chang provide?

Han Chang supports hydraulic, heating, PLC, sensor, valve, oil-seal, core-pulling, venting and alarm diagnosis through Taiwan and Mainland China service teams. CE certification is available for export projects.