---
title: "6 m 板材上的凉棚下料清单"
description: "用 6 m 软木切一套凉棚框架——优化器需要多少根板材，与按顺序处理下料清单相比。"
image: "https://nestingcalc.com/og-default.png"
url: "https://nestingcalc.com/cn/case-studies/pergola-cut-list/"
locale: "zh-Hans"
---

[案例研究](https://nestingcalc.com/cn/case-studies/)

# 6 m 板材上的凉棚下料清单

用 6 m 软木切一套凉棚框架——优化器需要多少根板材，与按顺序处理下料清单相比。

2 节省板材

21.1% 边角料损耗

39 切割工件

## 任务背景

一座花园凉棚需要椽子、大梁、托梁、斜撑和立柱。建材商只备一种长度：6 m 软木。柜台前唯一重要的问题是——我该买多少根？买多了，钱就变成堆在院子里的边角料；买少了，活干一半停下来等第二次送货。

## 输入

| 项目 | 数值 |
| --- | --- |
| 原料长度 | 6.0 m |
| 锯缝 | 3.2 mm |
| 端部修边（每端） | 10 mm |
| 待切工件（5 种尺寸） | 39 |
| 总切割长度 | 103.8 m |

## 怎么算的

把五种工件尺寸连同数量、3.2 mm 圆锯锯缝以及每根板材两端各 10 mm 修边一起输入。优化器按长度从大到小排序，把每个工件放到留下最小可用余料的那根板材上。对比行用没有方案时的真实切法处理同一份清单：从头到尾、一根一根，下一个工件放不下就换新板材。

## 计算器返回的结果

| 项目 | 数值 |
| --- | --- |
| 所需板材根数 | 22 |
| 边角料总量 | 27.7 m |
| 已用板材的损耗占比 | 21.1% |
| 放不下的工件 | 0 |

## 与常规做法对比

| 项目 | 按顺序切清单 | NestingCalc 方案 |
| --- | --- | --- |
| 所需板材根数 | 24 | 22 |
| 损耗占比 | 27.6% | 21.1% |
| 边角料总量 | 39.7 m | 27.7 m |

本页每个数字都在构建时由计算器本身重新计算——没有任何一项是手工填进去的。

## 要点

同样的工件、同样的锯缝，少用两根板材——边角料从购入木材的四分之一以上降到约五分之一。对一次性的私活，这是省掉一趟建材商；对重复生产的批量，这是报价守得住和每一件都悄悄亏钱的差距。

## 自己算一遍

[线性切割计算器](https://nestingcalc.com/cn/linear-cutting-calculator/)

还用到了: [板英尺计算器](https://nestingcalc.com/cn/board-feet-calculator/) , [木材重量计算器](https://nestingcalc.com/cn/lumber-weight-calculator/)

[案例研究](https://nestingcalc.com/cn/case-studies/) [切割优化器基准测试](https://nestingcalc.com/cn/benchmarks/)

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