什么电脑系统最稳态的硬盘-什么品牌电脑系统稳定

1.HEIDENHAIN数控系统说明书英文内容

2.硬盘的存储原理

3.苹果电脑提示内存不足怎么办

4.鲁大师显示电脑硬盘出现这样的。怎么办？

5.固态硬盘工业级什么品牌好

HEIDENHAIN数控系统说明书英文内容

2. 设备用途、工作条件及基本要求：Application of the Equipment, Working Conditions and Fundamental Requirements:

2.1 设备主要用途 Main Application of the Equipment

购置该设备主要用于齿轮刀具剃齿刀的齿形磨削。要求被磨剃齿刀在不多于两次的装夹后完成齿形的精确修磨。并能对齿形、齿向进行任意修形。该设备还用于精磨标准齿轮和分度盘。The equipment is mainly lied to tooth grinding of gear sher. It is required that accurate tooth coping be completed for the gear sher within twice clamps. And the tooth form and tooth orientation can be arbitrarily shaped. The equipment should be able to accurately grind standard gear and index plate.

2.2 工作条件 Working Conditions

供电 AC 380V±10% 3相 50Hz±10%

Power Supply: AC 380V±10% triphase 50Hz±10%

环境温度 20±5℃

Environment Temperature: 20±5℃

相对湿度 ≤70％ Relative Humidity: ≤70％

2.3 设备安装地点 Place for Installing the equipment

第一拖拉机股份有限公司齿轮厂 Gear Producing Plant of First Tractor Company Limited

★2.4 投标厂商基本要求 Basic Requirements for tenderer

设备的制造商必须有三年以上制造、生产经验，在中国国内有两年以上的销售业绩。It is required that the manufacturer been engaged in producing the equipment for not less than 3 years and in selling the equipment for not less than 2 years in China.

3. 设备技术要求及规格 Technical Requirements and Specifications for the equipments:

3.1 技术要求总则 General Technical Requirements

3.1.1 本技术规格书提供的是最低限度的技术要求，并未对一切技术细节作出规定，也未充分引述有关标准和规范的条文，投标人应保证提供符合或优于技术规格书和有关工业标准的优质产品。The technical specification book contains technical requirements of minimal degree, and all technical details are not included in it, and terms of relative standards and criterions are also not fully quoted. The tenderer should guarantee supply of product of high grade which is in line with or excel requirements prescribed in the technical specification book and relative industrial standards.

3.1.2 技术规格书所使用的标准和规范如与中标方所执行的标准发生矛盾时，

按较高标准执行。If any contradiction occurs between the standards and specifications in the technical specification book and standards enforced by the tenderer, standards of higher grade should be enforced.

3.1.3 投标人所提供的所有技术文件的内容和产品图纸、制造工艺、试验检查依据等，除非在技术规格中另作规定外，均应使用相应的国际标准化组织标准和／或其它先进国际标准。这些标准应为合同签字日为止最新公布发行的标准。

All technical documents, product drawings, producing crafts and testing gist provided by the tenderer should use corresponding international organization standards or other advanced international standards, unless specific regulations are made in the technical specification, and these standards should be up-to-date released standards as of signing the contract.

3.1.4 投标人提供货物所使用的度量衡单位除技术规格中另有规定外，应统一用公制单位。

Weights and measures units used by the tenderer for his goods should be metric unit unless specific regulations are made in the technical specification.

3.2 机床总体要求 General requirements for the machine tool

◇3.2.1 机床刚性好，具有良好的机床动态稳定性。机床的结构用刚性和大体积的床身，用世界先进技术,保证有足够的静态、动态、热稳态刚度和精度；保证系统具有良好的动态品质，所选的伺服系统执行元件精度高、可靠性好、抗干扰能力强、响应速度快。

The machine tool should be of good stiffness and of good dynamic stability. Its lathe bed should be of good stiffness and of large volume. Advanced international technology should be adopted to ensure enough static, dynamic, heat?steady-state stiffness and accuracy; to ensure excellent dynamic quality of the system; to ensure that executing components of the servo system be of high accuracy, excellent reliability, strong anti-jamming ability and quick response.

◇3.2.2 该设备在自动磨削中应具有自动调节补偿功能。The equipment should be capable of self-adjustment and compensation in automatic grinding.

★3.2.3 机床砂轮齿形修整用全自动。Tooth finishing for the grinding wheel of the machine tool should be fully automatic.

3.2.4 机床操作和维修必须简便，不需借助吊车即可进行砂轮的装卸。Operation and maintenance of the machine tool should be simple and convenient, the grinding wheel should be able to be assembled and unassembled without crane.

3.2.5 设备必须具有国际上同行业中近年内的先进设计、制造水平，用新的工艺、新材料、新技术(专有技术)进行制造和设计，保证机床造型美观。The equipment should be of internationally advanced design and producing crafts among the same trade in recent years. The equipment should adopt new crafts, new materials and new technology in its manufacture and design to ensure its beautiful mould.

3.2.6 设备必须具有质量的高可靠性，能稳定连续地工作，且具有尽可能长的使用寿命。The equipment should be of high reliability, capable of steady consecutive working and of service life as long as possible.

3.2.7 设备必须具有良好的操作性、维修性、良好的安全性能、不污染环境及危害人身健康。The equipment should be of excellent operation, maintenance and safety. The equipment should not pollute environment and harm human health.

★3.2.8 提供专用的标准齿轮磨削软件及磨削芯轴。The tenderer should provide standard gear wheel grinding software and grinding mandrel.

★3.2.9 提供专用的分度盘磨削软件及磨削芯轴。The tenderer should provide special dividing plate grinding software and grinding mandrel.

★3.2.10 提供专用的剃刀外圆修磨软件。The tenderer should provide special external grinding software for the gear sher.

3.3 主要技术要求 Main Technical Requirements

所有技术规格与参数至少应满足产品加工的技术和精度要求。 All technical specifications and parameters should at least meet the technical and accuracy requirements for product processing.

◇3.3.1 设备规格与参数 specifications and parameters of the equipment

最大加工直径： 400mm 分度盘到 420 mm

maximum processing diameter: 400mm dividing plate: 420 mm

最小工件内径： 64mm minimum workpiece inner diameter: 64mm

模数： 0.6～14 mode number: 0.6～14

齿数： 任意 number of teeth: random

工件最大宽度： 70mm maximum workpiece width: 70mm

最大砂轮直径： 760mm maximum diameter of grinding wheel: 760mm

最小砂轮直径： 660mm maximum diameter of grinding wheel: 660mm

最小工作台速度(展成速度)： 60次/分钟 maximum speed of worktable: 60 times/minute

砂轮转速： 250～900rpm rotate speed of grinding wheel: 250～900rpm

压力角轴调整范围： 至少2°～24° adjustment scope of pressure angular shaft : at least 2°～24°

螺旋角范围： 左旋50°右旋55°scope of ?helix angle: left 50, right55°

砂轮修正器行程： Strokes of grinding wheel corrector:

平行砂轮轴线： ≥10mm parallel grinding wheel axles: ≥10mm

垂直于砂轮轴线： ≥64mm vertical grinding wheel axles:≥64mm

砂轮调整轴： ≥31.5mm adjustment axle of grinding wheel: ≥31.5mm

★3.3.2 机床数控轴不少于8轴 numerical control axle of the machine tool should not be less than 8.

3.3.2.1 工件主轴旋转及分度,用HEIDENHAIN气密圆光栅控制,分辨率0.0001度Rotating and dividing of the main workpiece axle should be controlled by HEIDENHAIN airtight round-grating, and its resolution should be 0.0001°.

3.3.2.2 工件工作台展成运动,用HEIDENHAIN气密直光栅控制,分辨率0.001毫米

Generating motion of workpiece worktable should be controlled by HEIDENHAIN airtight vertical-grating, and its resolution should be 0.001mm.

3.3.2.3 砂轮修整器径向行程, 用伺服电机驱动,HEIDENHAIN气密直光栅控制,分辨率0.001毫米

Radial strokes of grinding wheel corrector should be driven by servo-actuato, and should be controlled by HEIDENHAIN airtight vertical-grating, and its resolution should be 0.001mm.

3.3.2.4 砂轮修整器轴向行程, 用伺服电机驱动,HEIDENHAIN气密直光栅控制,分辨率0.0001毫米

Axial strokes of grinding wheel corrector should be driven by servo-actuato, and should be controlled by HEIDENHAIN airtight vertical-grating, and its resolution should be 0.0001mm.

3.3.2.5 砂轮头架垂直运动, 用伺服电机驱动,HEIDENHAIN气密直光栅控制,分辨率0.001毫米

Vertical motion of grinding wheel headstock should be driven by servo-actuato, and should be controlled by HEIDENHAIN airtight vertical-grating, and its resolution should be 0.001mm.

3.3.2.6 压力角调整运动, 用伺服电机驱动,HEIDENHAIN气密圆光栅控制,分辨率0.001度

Adjusting motion of pressure angle should be driven by servo-actuato, and should be controlled by HEIDENHAIN airtight round-grating , and its resolution should be 0.001°.

3.3.2.7 螺旋角调整运动, 用伺服电机驱动,HEIDENHAIN气密圆光栅控制,分辨率0.001度

Adjusting motion of ?helix angle should be driven by servo-actuato, and should be controlled by HEIDENHAIN airtight round-grating, and its resolution should be 0.001°.

3.3.2.8 砂轮自动进给轴，3.3.2.9 用伺服3.3.2.10 电机驱动,HEIDENHAIN气密圆光栅控制,分辨率0.001度Automatic feed shaft of grinding wheel should be driven by servo-actuato, and should be controlled by HEIDENHAIN airtight round-grating , and its resolution should be 0.001°.

3.3.3 机床应配备自动润滑系统 The machine tool should be equipped with automatic lubrication system.

3.3.4 机床配备液压控制系统The machine tool should be equipped with hydraulic control system.

3.3.5 机床配备安全保护装置The machine tool should be equipped with safeguards unit.

3.3.6 机床配备除尘装置 The machine tool should be equipped with dust control unit.

◇3.3.7 机床配备砂轮自动平衡装置The machine tool should be equipped with automatic balance unit for grinding wheel.

3.3.8 机床导轨和运动部件应配备保护装置。Guide rail and motional parts of the machine tool should be equipped with protective unit.

3.3.9 机床配备液压油冷却系统 The machine tool should be equipped with cooling system for hydraulic oil.

3.4 数控系统和电气部分 Numerical control system and electrical parts

3.4.1 要求用西门子840D或优于该系统的数控系统。It should adopt Siemens 840D or other more excellent numerical control system.

3.4.2 机床加工过程由计算机控制系统进行控制，所有的加工参数和机床调整参数均由键盘输入并在显示器上显示。Processing of the machine tool should be controlled by computer control system. All processing parameters and adjusting parameters of the machine tool should be input by keyboard, and should be displayed in the screen.

3.4.3 计算机配置：64位微处理器，内存256M，硬盘3G，3.5吋软驱，操作系统选择中文显示。Computer allocation: 64-bit CPU, 256M EMS memory, 3G HD, 3.5Inch FD, and operation system should be displayed in Chinese.

3.4.4 配备RS232通讯接口和机外编程软件。It should be equipped with RS232 communication interface and off-line programme software

3.4.5 系统最少应能存储200个以上的不同加工程序。The system should be able to store at least 200 different processing procedures.

3.4.6 控制系统须具备维护、测试和自诊断程序，并能测试出控制系统及其他有关机器的故障。投标方须提供这些测试功能的细则。Control system should be capable of maintenance, testing and self-diagnosis procedures, and be able to test failures of numerical system and other relative machines. The tenderer should provide detailed rules of these testing functions.

3.4.7 投标方对所提供的控制系统具备如下功能： The numerical system provided by the tenderer should he the functions as follows:

控制系统遇到突然停电或其他意外事故的自我保护措施及数据不丢失的能力,程序能够不间断执行。The control system should be capable of self-protection and ensuring data not to be lost when power failure or other accidents hen, and the procedure should be consecutively operated.

控制系统存储器存储零件程序的能力、容量及配置的软盘驱动装置，通信接口的功能。Memorizer of the control system should include the ability and capacity of storing parts procedures, FD arrangements collocated, and function of communication interfaces

脱机编程所用的硬件及软件、程序输入主机的措施。Hardware and software used for offline programme, auxiliary measures for inputting procedures into mainframe.

3.4.8 所有的控制程序、软件都必须提供备份磁盘。Backup discs of all control procedures and software should be provided.

3.4.9 所有的伺服电机及重要的电子元件均用世界顶级公司的产品。All servo-actuato and important electric components should adopt products of top-ranking companies in the world.

3.4.10投标方须提供PC或计算机控制系统、控制面板等生产厂商名称及型号。The tenderer should provide name of manufacturer of PC or computer control system, control panel and their types.

3.5 在线检测 On-line Testing

★3.5.1 配置机床在线检测系统，用于在线检测剃齿刀的齿形、齿向和齿距误差。On-line testing system for the machine tool should be equipped to on-line test error of tooth form, tooth orientation and tooth spacing of gear sher.

3.5.2 在磨完第一个齿或磨完一个工件以后，使用该装置可以在机床上检测工件的齿形、齿向。The arrangement should be able to test tooth form and tooth orientation of workpiece after the first tooth or workpiece is grinded.

★3.5.3 该装置由下列部件构成：The arrangement should be composed of following components:

－ 独立的数控轴，由西门子数字式伺服电机和滚珠丝杠驱动，由HEIDENHAIN气密光栅尺反馈控制；Independent NC axle, driven by Siemens numeric servo-actuato and ball screw, and controlled by HEIDENHAIN airtight grating

－ 可移动测量臂带有Renishaw 电感测头 Movable gage beam, equipped with Renishaw inductance gauge head

－ 一套测量头，可以测量机床加工范围内的所有剃齿刀

A set of gauge head, able to test all gear sher within the processing scope of the machine tool

－ 专用控制测量软件，测量齿形、齿向并可以自动评估数值。Special control and measurement software, able to test tooth form and tooth orientation and to estimate numerical value automatically.

－ 配有测头防尘装置。Dustproof unit for gauge head

3.6 机床的安全保护设施 safeguards units for the machine tool

3.6.1 机床的安全防护技术条件应符合中国国家强制性标准<GB15760-1995金属切削机床安全防护技术条件>。Safeguards technology terms for the machine tool should be in line with national compellent standards of China(GB15760-1995 safeguards technology terms for the machine tool of metal cutting).

◇3.6.2 砂轮须配置防护罩，并带有旋转指示灯。除用于一般操作的防护措施外，须提供附加防护装置以保护操作者在加工、安装、维护时的安全，并带有特定的砂轮加速检查程序。The gear wheel should be equipped with protective cup and rotating indicator light. Beyond protective measures for ordinary operation, additional protective arrangement should be provided to protect operators in processing, installing and maintaining, and with special checking procedures for the gear wheel acceleration.

3.6.3 所有的安全说明书及安全标志须用国际通用符号标识，并用中、英文两种文字标识，在设备装运时，所有安全标志须由设备制造方设置。All safety instruction book and safe marks should adopt international current markers, and should be marked in Chinese and English. When the equipment is shipped, all safe marks should be set by the manufacturer.

3.7 机床的环保要求 Environment Protection Requirements of the Machine Tool

3.7.1 投标方须规范所有用于机床的液体不含有毒性物（PCB） The tenderer should guarantee that all liquid used to the machine tool should not include poisonous substances (PCB)

3.7.2 机床的噪声等级应不超过75dBA。Noise grade of the machine tool should not surpass 75dBA.

3.7.3 吸尘系统须保证工作环境的粉尘浓度符合中国的环保要求。dust collecting system should ensure that dust concentration of working environment be in lien with environment protection requirements in China.

3.8 机床的其他要求 Other Requirements of the Machine Tool

3.8.1 所有导轨自动润滑性能好，润滑油应符合中国国家标准及国际通用标准。提供润滑油、液压油及冷却液的牌号。All guide rail should be of excellent lubricating function, and lubricating oil should be line with national standards in China and international current standards. lubricating oil, hydraulic oil and cooling liquid should be provided trademarks.

3.8.2 控制箱密封并装有警示记号显示。Control casing should be sealed and equipped with warning marks.

3.8.3 机床须装备独立的液压系统、冷却系统，不允许液压油及冷却油在机床上任何部位泄露。The machine tool should be equipped with independent hydraulic system and cooling system, leakage of hydraulic oil and cooling oil on any part of the machine tool should not be allowed.

3.8.4 机床须具有对所有滑动和滚动元部件进行自动集中润滑系统，并能通过控制系统的控制面板反映润滑故障及报警。 The machine tool should be equipped with automatic concentration lubrication system for all slipping and rolling components, and be able to reflect lubrication failure and give an alarm through control panel of the control system.

3.9 附件 Accessories

3.9.1 配有一套必要的机床操作和维修专用工具。A set of special tools necessary for operating and maintaining the machine tool should be provided.

3.9.2 提供两年必要的易损易耗件清单并分项报价，计入投标总价。List of vulnerable and fugitive parts necessary for two-year use should be provided, and with itemized quotation. The itemized quotation should be reckoned into total price for bidding.

3.10 投标设备除标准配置外，按技术规格所要求的非标准配置必须提供分项价格，计入投标总价。Apart from standard collocation, itemized quotation for non-standard collocation of the equipment for bidding in accordance with technical specifications should be provided, and reckoned into total price for bidding.

4. 技术文件和标准 Technical Documents and Standards

4.1 所有技术文件、图样都应优先考虑使用中文，且字迹清楚，内容完整 All technical documents and drawings should be primarily made in Chinese, with clear writing and intact content.

4.1.1 两套中文和英文技术文件。如机床操作使用说明书(操作手册)、结构原理手册、维修保养说明书及必要的易损件图纸、电气说明书、编程手册、详细维修用的资料和图纸(应包括产品内部主要机械结构与控制装置电路、管路原理图、控制面板布置图、接线图、液压管路连接图、装配示意图、易损件图、基础图)、生产许可证以及验收证等。其中一套在合同生效后二个月内提供。

以上文件的光盘文件1套。

2 set of technical documents both in Chinese and English. Such as operation manual for the machine tool, structure schematic diagram, maintenance manual and necessary drawings for vulnerable parts, electrical manual, programme manual, detailed documents and drawing for maintenance (include circuit and pipeline schematic diagram of the main mechanical structure and control arrangements inside the product, arrangement plan of the control panel, connecting diagram, hydraulic pipeline connection diagram, assemblage diagrammatic sketch, drawing for vulnerable parts and foundation drawing), production license, acceptance certificate and etc. One set of them should be provided within 2 months after the contract going into effect.

1 set of discs for documents above should also be provided.

4.1.2 制造厂的产品验收报告、检验合格证书、质量保证书、说明书及外购件Receiving report for the product, certificate of qualification by testing, quality assurance manual, instruction manual and bought-in components provided by the manufacturer.

说明书（英文和中文）。Instruction manual(in Chinese and English)

4.1.3 数控系统厂家保修单、操作手册（英文和中文），编程手册（英文和中文）及相应软件及连接电缆。Maintenance card, operation manual (in Chinese and English), programme manual (in Chinese and English) and corresponding software and connection cables provided by the manufacturer of the NC system.

4.1.4 各外购部件的制造厂家的检验合格证，使用说明书，质保文件及必要的

其它技术文件。Certificate of qualification by testing, operating instruction manual, quality assurance manual and other necessary technical documents provided by manufacturers of bought-in components.

4.1.5 提供主要部件的供货商清单。List of suppliers of main parts should be provided.

4.1.6 供方认为有必要提供的其它技术资料。Other technical documents which the supplier thinks it necessary to provide.

4.2

硬盘的存储原理

硬盘是一种用磁介质的数据存储设备，数据存储在密封于洁净的硬盘驱动器内腔的若干个磁盘片上。这些盘片一般是在以的片基表面涂上磁性介质所形成，在磁盘片的每一面上，以转动轴为轴心、以一定的磁密度为间隔的若干个同心圆就被划分成磁道（track），每个磁道又被划分为若干个扇区（sector），数据就按扇区存放在硬盘上。

硬盘的第一个扇区（0道0头1扇区）被保留为主引导扇区。在主引导区内主要有两项内容：主引导记录和硬盘分区表。主引导记录是一段程序代码，其作用主要是对硬盘上安装的操作系统进行引导；硬盘分区表则存储了硬盘的分区信息。

计算机启动时将读取该扇区的数据，并对其合法性进行判断（扇区最后两个字节是否为0x55AA或0xAA55 ），如合法则跳转执行该扇区的第一条指令。所以硬盘的主引导区常常成为攻击的对象，从而被篡改甚至被破坏。可引导标志：0x80为可引导分区类型标志；0表示未知；1为FAT12；4为FAT16；5为扩展分区等等。

扩展资料：

数据存储原理

既然要进行数据的恢复，当然数据的存储原理我们不能不提，在这之中，我们还要介绍一下数据的删除和硬盘的格式化相关问题……

操作系统从目录区中读取文件信息（包括文件名、后缀名、文件大小、修改日期和文件在数据区保存的第一个簇的簇号），我们这里设第一个簇号是0023。

操作系统从0023簇读取相应的数据，然后再找到FAT的0023单元，如果内容是文件结束标志（FF），则表示文件结束，否则内容保存数据的下一个簇的簇号，这样重复下去直到遇到文件结束标志。

百度百科-硬盘存储

苹果电脑提示内存不足怎么办

1、可以把一些不必要的文件删掉。

2、使用系统自带的清理功能进行清理。

3、卸载不经常使用的软件。你在运用Macbook的过程中，有没有收到过可怕的"磁盘空间已满"的消息呢，当 磁盘空间不足，这时候你应该怎么做呢?下面小编就来教大家一些方式，快速释放一些你的硬盘空间，应对硬盘空间不够的问题。

磁盘空间不足一、清倒废纸篓

听起来很显著的，对不对?但其实，很多人并没有随手清倒废纸篓的习惯。日积月累下来，你会发现，"废纸篓"占了非常多的空间，有时 Mac 电脑的硬盘驱动器磁盘空间不够仅仅因为一大堆东西被移到了废纸篓，但实际上，这些东西都还存在在你的磁盘上。如果你很少清空废纸篓，赶紧在废纸篓图标上右击并选择「清空废纸篓」吧!

磁盘空间不足二、搞定你的"下载"目录

"下载"文件夹在运用时一般不会引起关心，但是过了一阵子之后，你会发现这个文件夹的东西非常的多。 你可以将此文件夹中的有用的文件转移到其他文件夹去，没有用的及时删除掉。另外，平时在运用Mac时，一定要养成管理「下载」文件夹的习惯。比如，当安装完使用程序后，及时删除安装的 .dmg 文件;解压缩文件完成后，删除原来的压缩文件。

磁盘空间不足三、准备一块移动硬盘

大多数人的Mac都是128G或者256G的硬盘大小，应付一般办公或的情况是足够的，但如果有比较大容量的文件储存的需要还是很紧张的，因此，你可以准备一块移动硬盘。把下载的文件可以储存到移动硬盘中，这样就能保持你的Mac的硬盘空间时充足的。

磁盘空间不足四、进行磁盘清理

清理硬盘并不是特别容易的事。如果仅仅只是清理**文件、整理桌面、删除不需要的旧文件，虽然也能释放一定的硬盘空间，而且非常容易，但是硬盘中还存有系统文件，这才是最难清理的。最好的方式就是运用Mac清理工具清理Mac中所有的垃圾文件，将缓存、日志、语言包等等删除，释放你的Mac的硬盘空间，加快Mac速度。

磁盘空间不足五、升级你的硬盘

如果你的硬盘的大小，无法满足你日常运用的储存需要，你也可以升级更换一块储存量更大的硬盘来满足你日常的运用。你可以让我们果粉帮来帮你升级硬盘，大约半小时左右的时间，花费约1000元左右，即可升级一块储存量更大的硬盘。

当然，升级前请记得备份你Mac硬盘中的重要文件哦!Mac OS X提示内存不足了最根本的方法就是增加可用的物理内存，但是条件不足的情况下则可按照下面步骤进行操作。

1、单击Memory(存储器)控制板，将Virtual Memory(虚拟内存)设为On(打开)并重新启动计算机。

2、单击功能管理程序控制板，将没用的系统扩展功能关闭。

3、关闭所有应用程序，然后在桌面上点击应用程序图标，并且按下+I键或从Finder的菜单里选择Get Info(简介)。在Get Info(简介)框的右下角有一被称为Memory Requirements的框，改变其优先值(Preferred Size:)，建议将该值设为最小值(Minimum Size)的125%，关闭该窗口。按照上面的方法处理后，一般是不会再有内存不足的提示了。

鲁大师显示电脑硬盘出现这样的。怎么办？

这是提示你硬盘已经检测出问题了，虽然现在还能用，但是随时会坏掉，一般就是有物理坏道了。如果技术一般的，就买一个硬盘更换，如果会隔离物理坏道的，还能用一段时间，不过千万不要保存重要数据了，因为随时会坏。

固态硬盘工业级什么品牌好

由于特殊行业的需要，在一些高温、超低温或者高湿度的严苛环境下需要使用工业级固态硬盘，工业级固态硬盘需要具备宽温、高稳定性、高可靠性和高耐用性，相比个人和企业使用的固态硬盘要求更高，一般保质期最少也在5年。

我之前都买国外的品牌，后面为了支持国货，调研了国内市场，发现国内的固态硬盘质量都很好，尤其是中科院旗下的国科环宇，研发的国科石存硬盘可应用于航天、卫星、军工和武器等领域，后来无论工业和军工级固态硬盘都选国科石存了。

个人建议，不喜勿喷！