为什么采购前要先算折旧

Why Calculate Depreciation Before Buying

清洁设备是生产资料，买错一次会连续多年蚕食利润。重型设备行业数据很说明问题：新机首年贬值 20–25%，三年累计 30–40%（部分来源给出首年 20–30%、三年 35–50%）。清洁设备（洗地机、扫地机、工业吸尘器）单价与使用强度低于工程机械，但折旧规律相似——前三年跌得最快，之后趋缓。把折旧算进总拥有成本（TCO），才不会只看首付价格做决定。

Cleaning equipment is a production asset; one wrong purchase eats profit for years. Heavy-equipment data is telling: new machines lose 20–25% in year one and 30–40% by year three (some sources cite 20–30% year one, 35–50% by year three). Industrial cleaners (scrubbers, sweepers, vacuums) cost and run less than construction machines, but the curve is similar—steepest in the first three years, then flattening. Fold depreciation into total cost of ownership (TCO) instead of judging by sticker price.

新机 vs 二手机的利弊对比

New vs Used: Pros and Cons

新机优势：整机保修 2–3 年、技术最新（电池/电控/物联网）、寿命完整、可定制配置、融资条件好、无隐性损伤。劣势：首付高、首年折旧陡、交付要等数周。二手机优势：价格比新机低 30–70%、折旧已过多数、到货快、同预算可买到更高规格。劣势：多数「按现状」出售、无保修或仅短保、历史保养不明、技术较旧、融资难、可能不合规排放。

New pros: 2–3 year full warranty, latest tech (battery, controls, telematics), full life ahead, configurable, better financing, no hidden damage. Cons: high upfront cost, steep first-year depreciation, weeks of lead time. Used pros: 30–70% cheaper than new, past the worst depreciation, quick delivery, more specs per budget. Cons: mostly 'as-is', no or short warranty, unknown history, older tech, harder financing, possible compliance gaps.

真实折旧曲线参考

Real Depreciation Curve to Reference

以重型设备为基准（清洁设备可作类比）：第一年残值约 70–80%，第三年 50–60%，第五年 40–50%，第十年 20–30% 后趋于稳定。也就是说，一台 3 年机龄、保养良好的设备通常只剩新机一半左右价格，但已避开最陡的贬值段。国产品牌折旧往往高于一线外资品牌，具体看品牌、小时数、工况与市场需求。

Using heavy equipment as a benchmark (cleaners are analogous): year-one residual ~70–80%, year three 50–60%, year five 40–50%, year ten 20–30% then stable. A well-kept 3-year-old unit is typically about half the new price but past the steepest drop. Domestic brands often depreciate faster than tier-one foreign brands; exacts depend on brand, hours, duty and demand.

什么时候该买新机

When to Buy New

四类场景优先新机：① 高频连续主线作业，停机一小时损失大于折旧；② 食品/医疗等合规与卫生要求高，需可追溯保修与最新安全配置；③ 预算充足且追求低故障率与长寿命；④ 需要 OEM/ODM 定制（电压、语言、外观、附件）。新机的完整保修能把「未知风险」转给厂家。

Four cases favor new: ① high-frequency main-line duty where one hour of downtime costs more than depreciation; ② high compliance/hygiene needs (food, healthcare) requiring traceable warranty and latest safety; ③ ample budget chasing low failure rate and long life; ④ need for OEM/ODM customization (voltage, language, look, attachments). A full warranty transfers 'unknown risk' to the maker.

什么时候买二手更划算

When Used Makes More Sense

三类场景二手更优：① 低频或季节性使用（如仅冬季除雪、偶发大面积清扫）；② 作备用机平抑峰值，而非日常主力；③ 预算紧张且能接受「按现状」风险。已过折旧高峰（3 年以上、小时数适中）的二手机性价比最高，回本快、风险可控。懂行的采购常选代理商债权车——小时数少、车况好、折旧已过。

Three cases favor used: ① low-frequency or seasonal use (e.g. winter snow, occasional large-area sweeping); ② backup to smooth peaks, not daily primary; ③ tight budget accepting 'as-is' risk. Used units past the depreciation cliff (3+ years, moderate hours) offer the best value—fast payback, contained risk. Savvy buyers often pick dealer repossessions: low hours, good condition, depreciation already taken.

二手机验机清单

Used-Machine Inspection Checklist

买二手机必查六项：① 小时数（清洁设备「小时表」等同于汽车里程，年跑 1500+ 小时折旧明显更快）；② 保养与维修记录（有无定期换刷盘、滤芯、电池）；③ 品牌与型号残值（一线品牌更保值）；④ 电池与电机状态（锂电衰减、碳刷磨损）；⑤ 能否现场试机（能开机、不缺件、不漏液锈死才值钱）；⑥ 是否合规（电控、排放是否满足当地要求）。无记录、不能试机的，按废铁折扣谈价。

Six must-checks: ① hours (the 'odometer'—1500+ hrs/yr depreciates far faster); ② maintenance/repair records (brush, filter, battery changes); ③ brand/model residual value (tier-one holds better); ④ battery and motor condition (Li-ion fade, brush wear); ⑤ ability to test-run on site (runs, no missing parts, no leak/rust lock = valuable); ⑥ compliance (electrical, emissions). No records, no test-run? Negotiate at scrap discount.

从中国厂家采购新机的优势

Advantages of Buying New from Chinese Makers

若决定买新机，中国厂家（如常州永乐 ApexClean）普遍提供工厂直供价与批量折扣、CE/ISO9001 认证、OEM/ODM 定制，标准机型 15–30 天、定制 30–45 天交付，整机保修 12–24 个月并可延保。相比二手的「未知历史」，新机有可追溯质量与全球备件支持，对出口与合规客户更稳妥。

If you choose new, Chinese makers (e.g. Changzhou Yongle / ApexClean) typically offer factory-direct pricing and volume discounts, CE/ISO9001 certification, OEM/ODM customization, 15–30 day standard / 30–45 day custom lead times, and 12–24 month machine warranty with extensions. Versus used 'unknown history', new units bring traceable quality and global spare-parts support—safer for export and compliance buyers.

一张决策清单

A One-Page Decision Checklist

按三问打分：① 使用强度——每天 >6 小时选新，偶用可选二手机；② 合规要求——食品/医疗选新；③ 预算弹性——紧则二手机过渡，宽则新机锁定低故障。把「折旧 + 保修 + 保养 + 停机风险」并入口径，答案往往清晰：主力线买新，辅助/备用买旧。

Score three questions: ① usage intensity—>6 hrs/day buy new, occasional buy used; ② compliance—food/healthcare buy new; ③ budget flexibility—tight use used as transition, ample lock in new for low failure. Fold 'depreciation + warranty + maintenance + downtime risk' into one view; the answer usually clears: buy new for the main line, used for auxiliary/backup.