How to Calculate Your Real Crane Capacity (Avoid Under/Over-spec)

Overview

Industry knowledge · 2026-08-07 This guide covers parameters, selection, common failures and a buyer checklist for Crane Equipment.

Key Parameters

Typical Applications

Commonly used in: 工厂、仓库、港口、工地等各类起重吊装场景. Requirements for span, duty class and protection vary a lot by site — always specify against your real duty.

Selection Steps

• 明确吊物与工况（室内/露天/温湿/防爆）
• 核算起重量×1.25 动载
• 选机型与工作级别
• 核轨道基础承重
• 定电气防护与认证
• 签含安装试验的合同

Common Failures & Fixes

级别选低早损

按 JC% 定 A3-A8

低报价漏项

要分项价

证书不全卡关

按目的国备证

Buyer Checklist

• 参数+工况
• 机型
• 级别
• 基础
• 防护
• 认证
• 分项报价

FAQ

怎么选型？

先四项参数+工况再定机型

出口认证？

CE/EAC 按目的国

怎么比价？

分项报价防漏项

交期？

单梁 25-35d/双梁 45-70d

Why Tongyu / Henan Lugang

Factory-direct, CE/ISO9001, non-standard design to drawing, global shipping with on-site guidance and load test. Tell us your capacity, span and site condition — 【SPEC: your real EAC certificate status / lead time / price range】 — and we return an itemised quotation within 24 hours. Request a quotation →