Hydraulic Press For Forming Seedling Cups
If you are in need of hydraulic press for forming seedling cups to help with your business, please rest assured to wholesale with us. We are one of the leading such manufacturers and suppliers in China with over 20 years' history. And the customized service is also available.
This four-column hydraulic press is designed to compress organic biomass materials, including coco coir, peat, and potting soil, into shaped products. It can be configured to produce compressed coir bricks and biodegradable coir seedling pots in round or square shapes. These products are used by seedling nurseries, horticultural suppliers, and growing media manufacturers.
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The four-column structure provides stable guidance for the moving platen and helps maintain consistent pressure during forming. This allows loose raw materials to be compressed into compact blocks or shaped pots. The quality and strength of the finished products depend on the material properties, formulation, and molding process, making the press suitable for production applications where consistent product dimensions and repeatable forming results are required.
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When producing seedling pots, pressing force is only one factor affecting the final result. Raw material composition, moisture content, fiber length, binding properties, and mold design also influence the shape, strength, and demolding performance of the finished products. When selecting a hydraulic press for this application, these factors should be considered alongside the product dimensions and required output, rather than choosing a machine based on tonnage alone.
Main Structure and Configuration
Four-Column Frame Structure
The four-column hydraulic press has a compact structure and an open working area, making mold installation and replacement easier. It is suitable for applications that require frequent mold changes or the production of different seedling cup designs.
The frame, worktable, and slide are designed according to the machine's rated pressing force and mold dimensions. Load-bearing capacity is also taken into account to ensure that the machine can handle the requirements of the intended application.
Hydraulic System
The hydraulic system generates the pressing force and controls the slide's movement and operating speed. Hydraulic pumps, motors, valve assemblies, and the oil tank are selected according to the machine's tonnage, required operating speed, and production cycle.
Pressing speed, pressure, and pressure-holding time can be adjusted based on the characteristics of the plant-based materials and the results of trial pressing. This helps establish suitable forming conditions for different substrate formulations.
PLC Control System
The machine can be equipped with a PLC control system to manage the main stages of the pressing cycle, including pressing, pressure holding, pressure release, and slide return.
For high-volume seedling cup production, optional features such as a touchscreen interface, automatic counting, an automatic feeding system, and automatic demolding can also be incorporated, depending on the production requirements and machine configuration.
Customized Molds
The mold determines the shape and dimensions of the finished seedling cups, including their diameter, height, wall thickness, and bottom structure. We design molds based on product drawings or physical samples supplied by the customer, with options for round, square, and other custom shapes.
Single-cavity and multi-cavity molds can be considered according to the product design, required output, and machine capacity. The appropriate configuration depends on the dimensions of the seedling cups, the material-feeding method, and the pressing force required for each cycle.
Main Technical Parameters
| Parameter Items | unit | 40T | 63T | 100T |
|---|---|---|---|---|
| Nominal pressure | kN | 400 | 630 | 1000 |
| Maximum system oil pressure | MPa | 25 | 25 | 25 |
| Slide stroke | mm | 350 | 400 | 500 |
| Maximum opening height | mm | 600 | 700 | 800 |
| Table dimensions | mm | 450×400 | 600×500 | 700×600 |
| Ejection force (ejection cylinder) | kN | 80 | 120 | 200 |
| Ejection stroke | mm | 200 | 200 | 250 |
| Downward speed (no-load) | mm/s | 60 | 60 | 55 |
| Pressing (working) speed | mm/s | 8–15 | 8–15 | 7–14 |
| Return speed | mm/s | 70 | 70 | 65 |
| Main motor power | kW | 5.5 | 5.5 | 7.5 |
Raw Materials for Pressed Seedling Cups
Peat and Turf-Based Substrates
These materials can be pressed into seedling cups or pots, depending on the formulation and molding requirements.
Coir (Coconut Fiber) and Other Plant Fibers
The pressing process should be adjusted according to fiber length, moisture content, and the binding properties of the material.
Humus-Rich Soil and Nutrient-Rich Soil Blends
Particle size distribution, mixing uniformity, and the structural stability of the finished products should be considered during material preparation and press setup.
Composite Plant-Based Substrates
The raw material proportions and pressing parameters should be selected according to the required strength, air permeability, and water retention of the finished products
Application Areas
Hydraulic presses for producing seedling cups are suitable for vegetable nurseries, flower growers, tree nurseries, and growing media processing facilities.
Vegetable seedling nurseries
Flower nurseries and cultivation facilities
Tree nurseries and seedling propagation centers
Greenhouse growing facilities
Coco coir and peat substrate processing plants
Organic growing media production lines
How to Select the Right Hydraulic Press for Seedling Cups?
Product Dimensions
Provide the diameter, length, width, height, wall thickness, and bottom design of the seedling cups. These details help determine the mold dimensions, as well as the required slide stroke and available space for mold installation and product removal.
Production Output
Specify the number of cups required per pressing cycle, the target daily output, and the planned operating hours. This information helps determine the number of mold cavities, the required cycle time, and the appropriate material-feeding method.
Raw Material Characteristics
Specify the raw material composition, including peat, coir, humus, or other plant-based substrates. The moisture content range and any binding agents used should also be provided to help determine the appropriate pressing pressure and pressure-holding time.
Automation Requirements
Consider the available on-site labor and the required production pace when deciding which automation features are needed. Options may include automatic feeding, metered material distribution, PLC-based process control, and automatic demolding.
Safety Features
◆ The machine is equipped with two-hand safety buttons to help prevent accidental operation during the pressing cycle.
◆ A photoelectric safety light curtain can be installed in the die area. If the light curtain detects an obstruction in the protected zone, the machine stops the pressing operation.
◆ The hydraulic circuit includes a pressure relief valve to protect the system against excessive pressure. If the pressure exceeds the preset limit, the valve releases excess pressure to help protect the machine frame, hydraulic cylinders, and dies.
◆ Emergency stop buttons are provided on both the main control cabinet and the mobile operator station, allowing the operator to stop the machine quickly in an emergency.
Why Choose Us?
We manufacture hydraulic presses and provide solutions tailored to your production requirements, from equipment design and fabrication to mold integration and technical support. For seedling cup forming applications, we look beyond press tonnage alone. We also consider mold design, slide stroke, pressure control, demolding methods, and the requirements of your overall production process.
01
Equipment and Mold Customization
Based on your product dimensions, drawings or samples, and expected production volume, we determine the appropriate hydraulic press specifications, mold design, and number of cavities. The equipment configuration is selected to meet your specific forming requirements and production targets.
02
Control System Configuration
We configure the PLC control system according to the molding process, required cycle time, and operating requirements. Optional functions such as automatic feeding, metered material distribution, and part ejection can also be integrated as needed.
03
Pre-Shipment Inspection and Export Logistics
In accordance with the agreed contract, we carry out equipment assembly checks, no-load testing, and functional inspections before shipment. We also arrange anti-rust treatment and moisture-resistant packaging, coordinate container loading, and assist with the preparation of the required shipping documents.
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After-Sales Technical Support and Spare Parts Supply
As agreed for each project, we provide equipment operation and maintenance guidance, ongoing technical support, and spare parts supply. We also assist customers with issues that may arise during equipment installation, commissioning, and daily operation.
To help us assess your project, please provide the seedling cup dimensions, raw material type, target production volume, and number of cups required per pressing cycle. Product drawings, photos, or existing samples are also helpful.
Based on this information, we can assess the required press capacity, mold layout, working dimensions, and control options for your application. The final machine configuration will be determined by your forming requirements and confirmed technical specifications.
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