行业组件数据 · 2026

上/下压板

Upper and lower platens are the primary load-bearing surfaces in hydraulic presses that apply compressive force to workpieces during forming, molding, or assembly operations.

技术定义与适配语境
典型 上/下压板 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

Upper and lower platens are precision-engineered structural components in hydraulic presses that serve as the interface between the hydraulic ram and the workpiece. The upper platen is attached to the moving ram and transmits downward force, while the lower platen is fixed to the press bed and provides a stable reaction surface. These platens ensure uniform pressure distribution across the workpiece, maintain alignment during compression cycles, and accommodate tooling attachments like molds or dies. They are critical for achieving consistent product quality in high-pressure manufacturing processes.

组件规格

定义
Upper and lower platens are precision-engineered structural components in hydraulic presses that serve as the interface between the hydraulic ram and the workpiece. The upper platen is attached to the moving ram and transmits downward force, while the lower platen is fixed to the press bed and provides a stable reaction surface. These platens ensure uniform pressure distribution across the workpiece, maintain alignment during compression cycles, and accommodate tooling attachments like molds or dies. They are critical for achieving consistent product quality in high-pressure manufacturing processes.
工作原理
The upper platen moves downward via hydraulic actuation to apply compressive force to a workpiece placed on the lower platen. Force is transmitted evenly through the platens' rigid structure, with precision guides ensuring parallel movement. The lower platen remains stationary, providing a counterforce. This creates a controlled compression environment for shaping materials through plastic deformation, bonding, or densification.
材料
Typically forged or cast steel (e.g.AISI 4140S355JR) for high strength and fatigue resistance. Heat-treated to HRC 28-35 for durability. Surface hardness: 45-55 HRC on working faces. Optional coatings: chrome plating or nitriding for wear resistance.
Parallelism
≤0.1 mm across platen
Mounting Holes
T-slots or threaded holes per ISO 2725-3
Platen Dimensions
Customizable: 500x500 mm to 3000x2000 mm
Surface Roughness
Ra ≤ 1.6 μm
Flatness Tolerance
≤0.05 mm/m
Maximum Load Capacity
50-5000 tons (machine dependent)
标准
ISO 12100ISO 13849-1DIN 5510

行业分类与别名

上/下压板 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Overloading beyond rated capacity->Plastic deformation or cracking->Install pressure relief valves and load monitoring systems
Poor maintenance of guide systems->Loss of parallelism leading to defective products->Regular lubrication and alignment checks per manufacturer schedule
Corrosion in humid environments->Surface pitting reducing flatness->Apply protective coatings and control workshop humidity

工业生态与工程逻辑

0
Fatigue cracking under cyclic loading
1
Surface damage from abrasive workpieces
2
Misalignment causing uneven pressure distribution
3
Thermal distortion in heated applications

合规与检测

tolerance
Flatness: ±0.05 mm/m; Parallelism: ±0.1 mm total
test method
Laser alignment scanning per ISO 230-1, surface plate inspection with dial indicators

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来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the difference between upper and lower platens?

The upper platen moves with the hydraulic ram to apply force, while the lower platen is stationary and supports the workpiece. Both must maintain precise parallelism.

How often should platens be inspected for wear?

Inspect flatness and surface condition every 500 operating hours or monthly. Re-machine if flatness exceeds 0.1 mm deviation.

Can platens be customized for specific tooling?

Yes, platens can be manufactured with T-slots, bolt patterns, or heating/cooling channels to accommodate specialized molds or dies.

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CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
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